1package api
  2
  3import (
  4	"net/http"
  5	"strconv"
  6
  7	"github.com/mjensen/weimar/internal/db"
  8)
  9
 10func (a *API) HandleListImages(w http.ResponseWriter, r *http.Request) {
 11	tags := r.URL.Query()["tags"]
 12
 13	page, _ := strconv.Atoi(r.URL.Query().Get("page"))
 14	if page < 1 {
 15		page = 1
 16	}
 17	perPage, _ := strconv.Atoi(r.URL.Query().Get("per_page"))
 18	if perPage < 1 || perPage > 100 {
 19		perPage = 20
 20	}
 21	offset := (page - 1) * perPage
 22
 23	result, err := a.DB.ListImages(r.Context(), tags, perPage, offset)
 24	if err != nil {
 25		writeError(w, http.StatusInternalServerError, "failed to list images")
 26		return
 27	}
 28
 29	// Load tags and uploader for each image.
 30	for i := range result.Images {
 31		img := &result.Images[i]
 32
 33		tags, err := a.DB.GetImageTags(r.Context(), img.ID)
 34		if err == nil {
 35			img.Tags = tags
 36		}
 37
 38		user, err := a.DB.GetUserByID(r.Context(), img.UploadedBy)
 39		if err == nil {
 40			img.UploaderUsername = user.Username
 41			if user.AvatarPath != nil {
 42				img.AvatarURL = "/api/users/" + strconv.FormatInt(img.UploadedBy, 10) + "/avatar"
 43			}
 44		}
 45	}
 46
 47	writeJSON(w, http.StatusOK, map[string]any{
 48		"images":   result.Images,
 49		"total":    result.Total,
 50		"page":     page,
 51		"per_page": perPage,
 52	})
 53}
 54
 55func (a *API) HandleGetImage(w http.ResponseWriter, r *http.Request) {
 56	idStr := r.PathValue("id")
 57	id, err := strconv.ParseInt(idStr, 10, 64)
 58	if err != nil {
 59		writeError(w, http.StatusBadRequest, "invalid image id")
 60		return
 61	}
 62
 63	img, err := a.DB.GetImageByID(r.Context(), id)
 64	if err != nil {
 65		writeError(w, http.StatusNotFound, "image not found")
 66		return
 67	}
 68
 69	tagsDetail, err := a.DB.GetImageTagsWithCounts(r.Context(), id)
 70	if err != nil {
 71		tagsDetail = make([]db.Tag, 0)
 72	}
 73
 74	uploaderUsername := ""
 75	avatarURL := ""
 76	user, err := a.DB.GetUserByID(r.Context(), img.UploadedBy)
 77	if err == nil {
 78		uploaderUsername = user.Username
 79		if user.AvatarPath != nil {
 80			avatarURL = "/api/users/" + strconv.FormatInt(img.UploadedBy, 10) + "/avatar"
 81		}
 82	}
 83
 84	writeJSON(w, http.StatusOK, map[string]any{
 85		"id":                img.ID,
 86		"filename":          img.Filename,
 87		"storage_path":      img.StoragePath,
 88		"thumbnail_path":    img.ThumbnailPath,
 89		"uploaded_by":       img.UploadedBy,
 90		"uploader_username": uploaderUsername,
 91		"avatar_url":        avatarURL,
 92		"file_size":         img.FileSize,
 93		"width":             img.Width,
 94		"height":            img.Height,
 95		"mime_type":         img.MimeType,
 96		"created_at":        img.CreatedAt,
 97		"updated_at":        img.UpdatedAt,
 98		"tags":              img.Tags,
 99		"tags_detail":       tagsDetail,
100	})
101}