feat: private checklists for zjazd preparation
Per-user checklists with items that may link a course, reading, deadline, material or own presentation deck. An item with a reading shares the reading's read mark. Student API routes with token twins, MCP tools, migrations, tests and README.
This commit is contained in:
Jakub Zych
684
controllers/api/checklists.go
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684
controllers/api/checklists.go
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@@ -0,0 +1,684 @@
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package api
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import (
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"context"
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"net/http"
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"time"
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"git.golem15.com/golem15/summercms/modules/lagoon"
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"git.golem15.com/golem15/summercms/modules/surf"
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"git.golem15.com/golem15/summercms/modules/wire"
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"git.golem15.com/jakub/sm-bm-plugin/models"
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"gorm.io/gorm"
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)
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// The checklists of the student API: each user's own lists (usually the
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// preparation for one zjazd), never anyone else's; a checklist or item of
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// another user answers 404 like a missing one. Bodies are JSON objects of
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// columns, checked as on the management API (Fillable, Rules, existing
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// foreign keys). An item with a reading shares its done mark with the
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// reading list: marking it done marks the reading read, and a reading read
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// in the reading list shows its items done.
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// presentationsTable is the deck table of golem15.presentations, read by
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// name without importing the plugin.
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const presentationsTable = "golem15_presentations_presentations"
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var checklistsRules = []lagoon.RequestRule{
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{Field: "meeting", Rules: lagoon.ParseRules("nullable|integer|min:1")},
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}
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// checklistProgress counts a checklist's items.
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type checklistProgress struct {
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Total int `json:"total"`
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Done int `json:"done"`
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Percent int `json:"percent"`
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MinutesTotal int `json:"minutes_total"`
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MinutesDone int `json:"minutes_done"`
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MinutesLeft int `json:"minutes_left"`
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}
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func (p *checklistProgress) add(item checklistItemJSON) {
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p.Total++
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minutes := 0
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if item.EstimateMinutes != nil {
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minutes = *item.EstimateMinutes
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}
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p.MinutesTotal += minutes
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if item.Done {
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p.Done++
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p.MinutesDone += minutes
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} else {
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p.MinutesLeft += minutes
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}
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p.Percent = p.Done * 100 / p.Total
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}
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// checklistMeetingRef is the short form of a checklist's zjazd.
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type checklistMeetingRef struct {
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ID uint `json:"id"`
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Number int `json:"number"`
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StartsOn string `json:"starts_on"`
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EndsOn string `json:"ends_on"`
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}
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// checklistJSON is a checklist with its progress, and its items on the
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// detail route.
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type checklistJSON struct {
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ID uint `json:"id"`
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MeetingID *uint `json:"meeting_id"`
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Meeting *checklistMeetingRef `json:"meeting"`
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Title string `json:"title"`
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Description *string `json:"description"`
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SortOrder int `json:"sort_order"`
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Progress checklistProgress `json:"progress"`
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Items []checklistItemJSON `json:"items,omitempty"`
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CreatedAt string `json:"created_at"`
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UpdatedAt string `json:"updated_at"`
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}
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type linkedReading struct {
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ID uint `json:"id"`
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Title string `json:"title"`
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Author *string `json:"author"`
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}
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type linkedDeadline struct {
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ID uint `json:"id"`
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Title string `json:"title"`
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DueAt string `json:"due_at"`
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Kind string `json:"kind"`
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}
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type linkedMaterial struct {
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ID uint `json:"id"`
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Title string `json:"title"`
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}
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type linkedPresentation struct {
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Slug string `json:"slug"`
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Title string `json:"title"`
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}
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// checklistItemJSON is one item with its done state and the rows it points
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// at (null when unset or gone; presentation is null when the caller owns no
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// deck with that slug).
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type checklistItemJSON struct {
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ID uint `json:"id"`
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ChecklistID uint `json:"checklist_id"`
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Kind string `json:"kind"`
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Title string `json:"title"`
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Notes *string `json:"notes"`
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URL *string `json:"url"`
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CourseID *uint `json:"course_id"`
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Course *courseRef `json:"course"`
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ReadingID *uint `json:"reading_id"`
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Reading *linkedReading `json:"reading"`
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DeadlineID *uint `json:"deadline_id"`
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Deadline *linkedDeadline `json:"deadline"`
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MaterialID *uint `json:"material_id"`
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Material *linkedMaterial `json:"material"`
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PresentationSlug *string `json:"presentation_slug"`
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Presentation *linkedPresentation `json:"presentation"`
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DueAt *string `json:"due_at"`
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EstimateMinutes *int `json:"estimate_minutes"`
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SortOrder int `json:"sort_order"`
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Done bool `json:"done"`
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DoneAt *string `json:"done_at"`
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}
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// checklistItemRow is an item with its effective done mark: the reading's
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// read_at for an item with a reading, else its own done_at.
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type checklistItemRow struct {
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models.ChecklistItem `gorm:"embedded"`
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DoneMark *time.Time `gorm:"column:done_mark"`
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}
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func formatTime(t *time.Time) *string {
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if t == nil {
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return nil
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}
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s := models.FormatDateTime(*t)
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return &s
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}
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// loadChecklistItems returns the caller's items of the given checklists,
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// keyed by checklist, in display order.
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func loadChecklistItems(db *gorm.DB, userID uint, checklistIDs []uint) (map[uint][]checklistItemJSON, error) {
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out := map[uint][]checklistItemJSON{}
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if len(checklistIDs) == 0 {
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return out, nil
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}
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var rows []checklistItemRow
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err := db.Table("jz_bm_checklist_items AS i").
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Select("i.*, CASE WHEN i.reading_id IS NULL THEN i.done_at ELSE p.read_at END AS done_mark").
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Joins("JOIN jz_bm_checklists c ON c.id = i.checklist_id").
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Joins("LEFT JOIN jz_bm_reading_progress p ON p.reading_id = i.reading_id AND p.user_id = c.user_id").
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Where("c.user_id = ? AND i.checklist_id IN ?", userID, checklistIDs).
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Order("i.checklist_id, i.sort_order, i.id").
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Scan(&rows).Error
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if err != nil {
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return nil, err
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}
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var courseIDs, readingIDs, deadlineIDs, materialIDs []uint
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var slugs []string
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for _, row := range rows {
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if row.CourseID != nil {
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courseIDs = append(courseIDs, *row.CourseID)
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}
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if row.ReadingID != nil {
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readingIDs = append(readingIDs, *row.ReadingID)
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}
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if row.DeadlineID != nil {
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deadlineIDs = append(deadlineIDs, *row.DeadlineID)
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}
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if row.MaterialID != nil {
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materialIDs = append(materialIDs, *row.MaterialID)
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}
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if row.PresentationSlug != nil {
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slugs = append(slugs, *row.PresentationSlug)
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}
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}
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courses, err := coursesByID(db, courseIDs)
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if err != nil {
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return nil, err
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}
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readings := map[uint]*linkedReading{}
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if len(readingIDs) > 0 {
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var rs []models.Reading
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if err := db.Where("id IN ?", readingIDs).Find(&rs).Error; err != nil {
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return nil, err
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}
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for _, r := range rs {
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readings[r.ID] = &linkedReading{ID: r.ID, Title: r.Title, Author: r.Author}
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}
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}
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deadlines := map[uint]*linkedDeadline{}
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if len(deadlineIDs) > 0 {
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var ds []models.Deadline
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if err := db.Where("id IN ?", deadlineIDs).Find(&ds).Error; err != nil {
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return nil, err
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}
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for _, d := range ds {
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deadlines[d.ID] = &linkedDeadline{ID: d.ID, Title: d.Title, DueAt: models.FormatDateTime(d.DueAt), Kind: d.Kind}
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}
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}
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materials := map[uint]*linkedMaterial{}
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if len(materialIDs) > 0 {
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// Only published materials, as in the material list.
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var ms []models.Material
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if err := db.Select("id", "title").Where("id IN ? AND published_at IS NOT NULL", materialIDs).Find(&ms).Error; err != nil {
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return nil, err
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}
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for _, m := range ms {
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materials[m.ID] = &linkedMaterial{ID: m.ID, Title: m.Title}
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}
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}
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decks, err := ownedDecks(db, userID, slugs)
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if err != nil {
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return nil, err
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}
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for _, row := range rows {
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item := checklistItemJSON{
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ID: row.ID,
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ChecklistID: row.ChecklistID,
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Kind: row.Kind,
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Title: row.Title,
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Notes: row.Notes,
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URL: row.URL,
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CourseID: row.CourseID,
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ReadingID: row.ReadingID,
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DeadlineID: row.DeadlineID,
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MaterialID: row.MaterialID,
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PresentationSlug: row.PresentationSlug,
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DueAt: formatTime(row.DueAt),
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EstimateMinutes: row.EstimateMinutes,
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SortOrder: row.SortOrder,
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Done: row.DoneMark != nil,
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DoneAt: formatTime(row.DoneMark),
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}
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if row.CourseID != nil {
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item.Course = newCourseRef(courses[*row.CourseID])
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}
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if row.ReadingID != nil {
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item.Reading = readings[*row.ReadingID]
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}
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if row.DeadlineID != nil {
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item.Deadline = deadlines[*row.DeadlineID]
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}
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if row.MaterialID != nil {
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item.Material = materials[*row.MaterialID]
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}
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if row.PresentationSlug != nil {
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item.Presentation = decks[*row.PresentationSlug]
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}
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out[row.ChecklistID] = append(out[row.ChecklistID], item)
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}
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return out, nil
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}
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// ownedDecks returns the caller's decks among slugs, keyed by slug. Without
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// golem15.presentations installed there are none.
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func ownedDecks(db *gorm.DB, userID uint, slugs []string) (map[string]*linkedPresentation, error) {
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out := map[string]*linkedPresentation{}
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if len(slugs) == 0 || !db.Migrator().HasTable(presentationsTable) {
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return out, nil
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}
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var rows []linkedPresentation
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err := db.Table(presentationsTable).Select("slug, title").
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Where("owner_user_id = ? AND slug IN ?", userID, slugs).Scan(&rows).Error
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if err != nil {
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return nil, err
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}
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for i := range rows {
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out[rows[i].Slug] = &rows[i]
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}
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return out, nil
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}
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// checklistsJSON builds the answer for the given checklists, with items
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// when withItems.
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func checklistsJSON(db *gorm.DB, userID uint, lists []models.Checklist, withItems bool) ([]checklistJSON, error) {
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ids := make([]uint, 0, len(lists))
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meetingIDs := []uint{}
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for _, c := range lists {
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ids = append(ids, c.ID)
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if c.MeetingID != nil {
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meetingIDs = append(meetingIDs, *c.MeetingID)
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}
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}
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items, err := loadChecklistItems(db, userID, ids)
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if err != nil {
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return nil, err
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}
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meetings := map[uint]*checklistMeetingRef{}
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if len(meetingIDs) > 0 {
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var ms []models.Meeting
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if err := db.Where("id IN ?", meetingIDs).Find(&ms).Error; err != nil {
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return nil, err
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}
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for _, m := range ms {
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meetings[m.ID] = &checklistMeetingRef{ID: m.ID, Number: m.Number, StartsOn: m.StartsOn.String(), EndsOn: m.EndsOn.String()}
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}
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}
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out := make([]checklistJSON, 0, len(lists))
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for _, c := range lists {
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item := checklistJSON{
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ID: c.ID,
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MeetingID: c.MeetingID,
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Title: c.Title,
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Description: c.Description,
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SortOrder: c.SortOrder,
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CreatedAt: models.FormatDateTime(c.CreatedAt),
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UpdatedAt: models.FormatDateTime(c.UpdatedAt),
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}
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if c.MeetingID != nil {
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item.Meeting = meetings[*c.MeetingID]
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}
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for _, it := range items[c.ID] {
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item.Progress.add(it)
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}
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if withItems {
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item.Items = items[c.ID]
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if item.Items == nil {
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item.Items = []checklistItemJSON{}
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}
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}
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out = append(out, item)
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}
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return out, nil
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}
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// Checklists answers GET /checklists?meeting=ID: the caller's checklists
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// with their progress, without items.
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func (h *Handlers) Checklists(w http.ResponseWriter, r *http.Request) {
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userID, ok := h.caller(w, r)
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if !ok {
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return
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}
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in := query(r, "meeting")
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if !h.validate(w, r, in, checklistsRules) {
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return
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}
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db, ok := h.db(w, r)
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if !ok {
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return
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}
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q := db.Where("user_id = ?", userID)
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if id := uintParam(in, "meeting"); id != 0 {
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q = q.Where("meeting_id = ?", id)
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}
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var lists []models.Checklist
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if err := q.Order("sort_order, id").Find(&lists).Error; err != nil {
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writeOpaque500(w)
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return
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}
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out, err := checklistsJSON(db, userID, lists, false)
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if err != nil {
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writeOpaque500(w)
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return
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}
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writeData(w, out)
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}
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// checklistFor resolves {id} to one of the caller's checklists and answers
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// 404 itself when there is none.
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func checklistFor(w http.ResponseWriter, r *http.Request, db *gorm.DB, userID uint) (*models.Checklist, bool) {
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id, ok := surf.IntParam(r, "id")
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if !ok {
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writeNotFound(w)
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return nil, false
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}
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var c models.Checklist
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res := db.Where("id = ? AND user_id = ?", id, userID).Limit(1).Find(&c)
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if res.Error != nil {
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writeOpaque500(w)
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return nil, false
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}
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if res.RowsAffected == 0 {
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writeNotFound(w)
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return nil, false
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}
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return &c, true
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}
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// itemFor resolves {id} to an item of one of the caller's checklists and
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// answers 404 itself when there is none.
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func itemFor(w http.ResponseWriter, r *http.Request, db *gorm.DB, userID uint) (*models.ChecklistItem, bool) {
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id, ok := surf.IntParam(r, "id")
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if !ok {
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writeNotFound(w)
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return nil, false
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}
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var item models.ChecklistItem
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res := db.Table("jz_bm_checklist_items AS i").Select("i.*").
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Joins("JOIN jz_bm_checklists c ON c.id = i.checklist_id").
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Where("i.id = ? AND c.user_id = ?", id, userID).Limit(1).Find(&item)
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if res.Error != nil {
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writeOpaque500(w)
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return nil, false
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}
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if res.RowsAffected == 0 {
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writeNotFound(w)
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return nil, false
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}
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return &item, true
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}
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// writeChecklist answers one checklist with its items.
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func writeChecklist(w http.ResponseWriter, db *gorm.DB, userID uint, c models.Checklist, status int) {
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out, err := checklistsJSON(db, userID, []models.Checklist{c}, true)
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if err != nil || len(out) != 1 {
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writeOpaque500(w)
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return
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}
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wire.WriteJSON(w, status, map[string]any{"data": out[0]})
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}
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// writeItem answers one item as the detail route shows it.
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func writeItem(w http.ResponseWriter, db *gorm.DB, userID uint, item models.ChecklistItem, status int) {
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items, err := loadChecklistItems(db, userID, []uint{item.ChecklistID})
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if err != nil {
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writeOpaque500(w)
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return
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}
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for _, it := range items[item.ChecklistID] {
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if it.ID == item.ID {
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wire.WriteJSON(w, status, map[string]any{"data": it})
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return
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}
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}
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writeOpaque500(w)
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}
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// Checklist answers GET /checklists/{id}: one of the caller's checklists
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// with its items.
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func (h *Handlers) Checklist(w http.ResponseWriter, r *http.Request) {
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userID, ok := h.caller(w, r)
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if !ok {
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return
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}
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db, ok := h.db(w, r)
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if !ok {
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return
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}
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c, ok := checklistFor(w, r, db, userID)
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if !ok {
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return
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}
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writeChecklist(w, db, userID, *c, http.StatusOK)
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}
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var checklistReferences = map[string]string{"meeting_id": "jz_bm_meetings"}
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var itemReferences = map[string]string{
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"course_id": "jz_bm_courses",
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"reading_id": "jz_bm_readings",
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"deadline_id": "jz_bm_deadlines",
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"material_id": "jz_bm_materials",
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}
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// CreateChecklist answers POST /checklists: 201 with the new checklist.
|
||||
func (h *Handlers) CreateChecklist(w http.ResponseWriter, r *http.Request) {
|
||||
userID, ok := h.caller(w, r)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
db, ok := h.db(w, r)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
c := &models.Checklist{UserID: userID}
|
||||
if _, ok := h.fillRecord(w, r, db, c, c, checklistReferences, nil); !ok {
|
||||
return
|
||||
}
|
||||
if err := db.Create(c).Error; err != nil {
|
||||
writeOpaque500(w)
|
||||
return
|
||||
}
|
||||
writeChecklist(w, db, userID, *c, http.StatusCreated)
|
||||
}
|
||||
|
||||
// UpdateChecklist answers PATCH /checklists/{id}: the sent columns change.
|
||||
func (h *Handlers) UpdateChecklist(w http.ResponseWriter, r *http.Request) {
|
||||
userID, ok := h.caller(w, r)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
db, ok := h.db(w, r)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
c, ok := checklistFor(w, r, db, userID)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
if _, ok := h.fillRecord(w, r, db, c, c, checklistReferences, nil); !ok {
|
||||
return
|
||||
}
|
||||
if err := db.Save(c).Error; err != nil {
|
||||
writeOpaque500(w)
|
||||
return
|
||||
}
|
||||
writeChecklist(w, db, userID, *c, http.StatusOK)
|
||||
}
|
||||
|
||||
// DeleteChecklist answers DELETE /checklists/{id}: 204; its items go with
|
||||
// it. Reading marks stay.
|
||||
func (h *Handlers) DeleteChecklist(w http.ResponseWriter, r *http.Request) {
|
||||
userID, ok := h.caller(w, r)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
db, ok := h.db(w, r)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
c, ok := checklistFor(w, r, db, userID)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
if err := db.Delete(c).Error; err != nil {
|
||||
writeOpaque500(w)
|
||||
return
|
||||
}
|
||||
w.WriteHeader(http.StatusNoContent)
|
||||
}
|
||||
|
||||
// checkItem adds the item checks the rules cannot make: the target
|
||||
// checklist is the caller's, and a deck slug names one of the caller's
|
||||
// decks.
|
||||
func checkItem(db *gorm.DB, userID uint) func(map[string]any, map[string][]string) error {
|
||||
return func(check map[string]any, errs map[string][]string) error {
|
||||
if id, ok := check["checklist_id"].(uint); ok {
|
||||
var n int64
|
||||
if err := db.Model(&models.Checklist{}).Where("id = ? AND user_id = ?", id, userID).Count(&n).Error; err != nil {
|
||||
return err
|
||||
}
|
||||
if n == 0 {
|
||||
errs["checklist_id"] = append(errs["checklist_id"], "The selected checklist_id is invalid.")
|
||||
}
|
||||
}
|
||||
if slug, ok := check["presentation_slug"].(string); ok && slug != "" {
|
||||
decks, err := ownedDecks(db, userID, []string{slug})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if decks[slug] == nil {
|
||||
errs["presentation_slug"] = append(errs["presentation_slug"], "The selected presentation_slug is not one of your decks.")
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
||||
// CreateChecklistItem answers POST /checklists/{id}/items: 201 with the new
|
||||
// item, at the end of the list unless sort_order is sent. kind defaults to
|
||||
// zadanie.
|
||||
func (h *Handlers) CreateChecklistItem(w http.ResponseWriter, r *http.Request) {
|
||||
userID, ok := h.caller(w, r)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
db, ok := h.db(w, r)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
c, ok := checklistFor(w, r, db, userID)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
var last struct{ Max *int }
|
||||
if err := db.Model(&models.ChecklistItem{}).Select("MAX(sort_order) AS max").Where("checklist_id = ?", c.ID).Scan(&last).Error; err != nil {
|
||||
writeOpaque500(w)
|
||||
return
|
||||
}
|
||||
item := &models.ChecklistItem{ChecklistID: c.ID, Kind: "zadanie"}
|
||||
if last.Max != nil {
|
||||
item.SortOrder = *last.Max + 1
|
||||
}
|
||||
if _, ok := h.fillRecord(w, r, db, item, item, itemReferences, checkItem(db, userID)); !ok {
|
||||
return
|
||||
}
|
||||
if err := db.Create(item).Error; err != nil {
|
||||
writeOpaque500(w)
|
||||
return
|
||||
}
|
||||
writeItem(w, db, userID, *item, http.StatusCreated)
|
||||
}
|
||||
|
||||
// UpdateChecklistItem answers PATCH /checklist-items/{id}: the sent columns
|
||||
// change; checklist_id moves the item to another of the caller's lists.
|
||||
func (h *Handlers) UpdateChecklistItem(w http.ResponseWriter, r *http.Request) {
|
||||
userID, ok := h.caller(w, r)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
db, ok := h.db(w, r)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
item, ok := itemFor(w, r, db, userID)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
if _, ok := h.fillRecord(w, r, db, item, item, itemReferences, checkItem(db, userID)); !ok {
|
||||
return
|
||||
}
|
||||
if err := db.Save(item).Error; err != nil {
|
||||
writeOpaque500(w)
|
||||
return
|
||||
}
|
||||
writeItem(w, db, userID, *item, http.StatusOK)
|
||||
}
|
||||
|
||||
// DeleteChecklistItem answers DELETE /checklist-items/{id}: 204. A reading
|
||||
// mark stays.
|
||||
func (h *Handlers) DeleteChecklistItem(w http.ResponseWriter, r *http.Request) {
|
||||
userID, ok := h.caller(w, r)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
db, ok := h.db(w, r)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
item, ok := itemFor(w, r, db, userID)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
if err := db.Delete(item).Error; err != nil {
|
||||
writeOpaque500(w)
|
||||
return
|
||||
}
|
||||
w.WriteHeader(http.StatusNoContent)
|
||||
}
|
||||
|
||||
// MarkChecklistItemDone answers PUT /checklist-items/{id}/done. An item
|
||||
// with a reading marks the reading read by the caller (the reading list
|
||||
// shows it read); any other item gets done_at. Marking it again keeps the
|
||||
// first mark.
|
||||
func (h *Handlers) MarkChecklistItemDone(w http.ResponseWriter, r *http.Request) {
|
||||
h.setItemDone(w, r, true)
|
||||
}
|
||||
|
||||
// UnmarkChecklistItemDone answers DELETE /checklist-items/{id}/done: it
|
||||
// clears the mark, and for an item with a reading the caller's read mark.
|
||||
func (h *Handlers) UnmarkChecklistItemDone(w http.ResponseWriter, r *http.Request) {
|
||||
h.setItemDone(w, r, false)
|
||||
}
|
||||
|
||||
func (h *Handlers) setItemDone(w http.ResponseWriter, r *http.Request, done bool) {
|
||||
userID, ok := h.caller(w, r)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
db, ok := h.db(w, r)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
item, ok := itemFor(w, r, db, userID)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
now := h.now().UTC()
|
||||
err := lagoon.Transaction(r.Context(), db, func(_ context.Context, tx *gorm.DB) error {
|
||||
if item.ReadingID != nil {
|
||||
if done {
|
||||
return tx.Exec(`INSERT INTO jz_bm_reading_progress (reading_id, user_id, read_at) VALUES (?, ?, ?)
|
||||
ON CONFLICT (reading_id, user_id) DO NOTHING`, *item.ReadingID, userID, now).Error
|
||||
}
|
||||
return tx.Where("reading_id = ? AND user_id = ?", *item.ReadingID, userID).Delete(&models.ReadingProgress{}).Error
|
||||
}
|
||||
q := tx.Model(&models.ChecklistItem{}).Where("id = ?", item.ID)
|
||||
if done {
|
||||
return q.Where("done_at IS NULL").Update("done_at", now).Error
|
||||
}
|
||||
return q.Update("done_at", nil).Error
|
||||
})
|
||||
if err != nil {
|
||||
writeOpaque500(w)
|
||||
return
|
||||
}
|
||||
writeItem(w, db, userID, *item, http.StatusOK)
|
||||
}
|
||||
Reference in New Issue
Block a user