refactor: query shared files by path to support breadcrumbs

internal/database/migrations/20240915121635_function.sql

@@ -0,0 +1,52 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE OR REPLACE FUNCTION teldrive.get_path_from_file_id(file_id uuid)
+ RETURNS text
+ LANGUAGE plpgsql
+AS $function$
+DECLARE
+    full_path TEXT;
+    trimmed_path TEXT;
+BEGIN
+    WITH RECURSIVE path_hierarchy AS (
+        SELECT
+            f.id,
+            f.name,
+            f.parent_id,
+            f.name AS path_segment
+        FROM
+            teldrive.files f
+        WHERE
+            f.id = file_id
+    
+        UNION ALL
+    
+        SELECT
+            p.id,
+            p.name,
+            p.parent_id,
+            CASE 
+                WHEN ph.parent_id IS NULL THEN ph.path_segment
+                ELSE p.name || '/' || ph.path_segment
+            END AS path_segment
+        FROM
+            teldrive.files p
+        JOIN
+            path_hierarchy ph ON ph.parent_id = p.id
+    )
+    
+    SELECT path_segment INTO full_path
+    FROM path_hierarchy
+    WHERE parent_id IS NULL;
+    
+    SELECT 
+        CASE 
+            WHEN position('/' in full_path) > 0 THEN substring(full_path from position('/' in full_path) + 1)
+            ELSE full_path
+        END INTO trimmed_path;
+    
+    RETURN '/' || trimmed_path;
+END;
+$function$
+;
+-- +goose StatementEnd

pkg/schemas/file.go

@@ -117,16 +117,20 @@ type FileShareIn struct {
 }
 
 type FileShareOut struct {
-	ID        string     `json:"id"`
+	ID        string     `json:"id,omitempty"`
 	ExpiresAt *time.Time `json:"expiresAt,omitempty"`
 	Protected bool       `json:"protected"`
 	UserID    int64      `json:"userId,omitempty"`
+	Type      string     `json:"type"`
+	Name      string     `json:"name"`
 }
 
 type FileShare struct {
 	Password  *string
 	ExpiresAt *time.Time
 	Type      string
-	FileId    string
-	UserId    int64
+	FileID    string
+	UserID    int64
+	Path      string
+	Name      string
 }

pkg/schemas/share.go

@@ -5,9 +5,9 @@ type ShareAccess struct {
 }
 
 type ShareFileQuery struct {
-	ParentID string `form:"parentId"`
-	Sort     string `form:"sort"`
-	Order    string `form:"order"`
-	Limit    int    `form:"limit"`
-	Page     int    `form:"page"`
+	Path  string `form:"path"`
+	Sort  string `form:"sort"`
+	Order string `form:"order"`
+	Limit int    `form:"limit"`
+	Page  int    `form:"page"`
 }

pkg/services/share.go

@@ -36,9 +36,12 @@ func NewShareService(db *gorm.DB, fs *FileService, cache cache.Cacher) *ShareSer
 
 func (ss *ShareService) GetShareById(shareId string) (*schemas.FileShareOut, *types.AppError) {
 
-	var result []models.FileShare
+	var result []schemas.FileShare
 
-	if err := ss.db.Model(&models.FileShare{}).Where("id = ?", shareId).Find(&result).Error; err != nil {
+	if err := ss.db.Model(&models.FileShare{}).Where("file_shares.id = ?", shareId).
+		Select("file_shares.*", "f.type", "f.name").
+		Joins("left join teldrive.files as f on f.id = file_shares.file_id").
+		Scan(&result).Error; err != nil {
 		return nil, &types.AppError{Error: err}
 	}
 
@@ -54,6 +57,8 @@ func (ss *ShareService) GetShareById(shareId string) (*schemas.FileShareOut, *ty
 		ExpiresAt: result[0].ExpiresAt,
 		Protected: result[0].Password != nil,
 		UserID:    result[0].UserID,
+		Type:      result[0].Type,
+		Name:      result[0].Name,
 	}
 
 	return res, nil
@@ -82,7 +87,6 @@ func (ss *ShareService) ListShareFiles(shareId string, query *schemas.ShareFileQ
 	var (
 		userId   int64
 		fileType string
-		fileId   string
 	)
 
 	var result []schemas.FileShare
@@ -91,7 +95,8 @@ func (ss *ShareService) ListShareFiles(shareId string, query *schemas.ShareFileQ
 
 	if err := ss.cache.Get(key, &result); err != nil {
 		if err := ss.db.Model(&models.FileShare{}).Where("file_shares.id = ?", shareId).
-			Select("file_shares.*", "f.type").
+			Select("file_shares.*", "f.type",
+				"(select get_path_from_file_id as path from teldrive.get_path_from_file_id(f.id))").
 			Joins("left join teldrive.files as f on f.id = file_shares.file_id").
 			Scan(&result).Error; err != nil {
 			return nil, &types.AppError{Error: err}
@@ -118,34 +123,32 @@ func (ss *ShareService) ListShareFiles(shareId string, query *schemas.ShareFileQ
 
 	}
 
-	userId = result[0].UserId
+	userId = result[0].UserID
 
 	fileType = "folder"
 
-	fileId = query.ParentID
-
-	if query.ParentID == "" {
+	if query.Path == "" {
 		fileType = result[0].Type
-		fileId = result[0].FileId
 	}
 
 	if fileType == "folder" {
 		return ss.fs.ListFiles(userId, &schemas.FileQuery{
-			ParentID: fileId,
-			Limit:    query.Limit,
-			Page:     query.Page,
-			Order:    query.Order,
-			Sort:     query.Sort,
-			Op:       "list"})
+			Path:  result[0].Path + query.Path,
+			Limit: query.Limit,
+			Page:  query.Page,
+			Order: query.Order,
+			Sort:  query.Sort,
+			Op:    "list"})
 	} else {
 		var file models.File
-		if err := ss.db.Where("id = ?", fileId).First(&file).Error; err != nil {
+		if err := ss.db.Where("id = ?", result[0].FileID).First(&file).Error; err != nil {
 			if database.IsRecordNotFoundErr(err) {
 				return nil, &types.AppError{Error: database.ErrNotFound, Code: http.StatusNotFound}
 			}
 			return nil, &types.AppError{Error: err}
 		}
-		return &schemas.FileResponse{Files: []schemas.FileOut{*mapper.ToFileOut(file)}}, nil
+		return &schemas.FileResponse{Files: []schemas.FileOut{*mapper.ToFileOut(file)},
+			Meta: schemas.Meta{TotalPages: 1, Count: 1, CurrentPage: 1}}, nil
 	}
 
 }