feat: minor changes to db and new query

sql/queries.sql.go

@@ -71,3 +71,117 @@ func (q *Queries) GetUserByID(ctx context.Context, id int64) (GetUserByIDRow, er
 	)
 	return i, err
 }
+
+const searchTitles = `-- name: SearchTitles :many
+
+
+
+
+SELECT 
+    id, title_names, studio_id, poster_id, title_status, rating, rating_count, release_year, release_season, season, episodes_aired, episodes_all, episodes_len
+FROM titles
+WHERE 
+    CASE 
+        WHEN $1::text IS NOT NULL THEN
+            (
+                SELECT bool_and(
+                    EXISTS (
+                        SELECT 1 
+                        FROM jsonb_each_text(title_names) AS t(key, val)
+                        WHERE val ILIKE pattern
+                    )
+                )
+                FROM unnest(
+                    ARRAY(
+                        SELECT '%' || trim(w) || '%'
+                        FROM unnest(string_to_array($1::text, ' ')) AS w
+                        WHERE trim(w) <> ''
+                    )
+                ) AS pattern
+            )
+        ELSE true
+    END
+
+    AND ($2::title_status_t IS NULL OR title_status = $2::title_status_t)
+    AND ($3::float IS NULL OR rating >= $3::float)
+    AND ($4::int IS NULL OR release_year = $4::int)
+    AND ($5::release_season_t IS NULL OR release_season = $5::release_season_t)
+
+LIMIT COALESCE($7::int, 100) -- 100 is default limit
+OFFSET $6::int
+`
+
+type SearchTitlesParams struct {
+	Word          *string         `json:"word"`
+	Status        *TitleStatusT   `json:"status"`
+	Rating        *float64        `json:"rating"`
+	ReleaseYear   *int32          `json:"release_year"`
+	ReleaseSeason *ReleaseSeasonT `json:"release_season"`
+	Offset        *int32          `json:"offset"`
+	Limit         *int32          `json:"limit"`
+}
+
+// -- name: ListUsers :many
+// SELECT user_id, avatar_id, passhash, mail, nickname, disp_name, user_desc, creation_date
+// FROM users
+// ORDER BY user_id
+// LIMIT $1 OFFSET $2;
+// -- name: CreateUser :one
+// INSERT INTO users (avatar_id, passhash, mail, nickname, disp_name, user_desc, creation_date)
+// VALUES ($1, $2, $3, $4, $5, $6, $7)
+// RETURNING user_id, avatar_id, nickname, disp_name, user_desc, creation_date;
+// -- name: UpdateUser :one
+// UPDATE users
+// SET
+//
+//	avatar_id = COALESCE(sqlc.narg('avatar_id'), avatar_id),
+//	disp_name = COALESCE(sqlc.narg('disp_name'), disp_name),
+//	user_desc = COALESCE(sqlc.narg('user_desc'), user_desc),
+//	passhash  = COALESCE(sqlc.narg('passhash'), passhash)
+//
+// WHERE user_id = sqlc.arg('user_id')
+// RETURNING user_id, avatar_id, nickname, disp_name, user_desc, creation_date;
+// -- name: DeleteUser :exec
+// DELETE FROM users
+// WHERE user_id = $1;
+func (q *Queries) SearchTitles(ctx context.Context, arg SearchTitlesParams) ([]Title, error) {
+	rows, err := q.db.Query(ctx, searchTitles,
+		arg.Word,
+		arg.Status,
+		arg.Rating,
+		arg.ReleaseYear,
+		arg.ReleaseSeason,
+		arg.Offset,
+		arg.Limit,
+	)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []Title
+	for rows.Next() {
+		var i Title
+		if err := rows.Scan(
+			&i.ID,
+			&i.TitleNames,
+			&i.StudioID,
+			&i.PosterID,
+			&i.TitleStatus,
+			&i.Rating,
+			&i.RatingCount,
+			&i.ReleaseYear,
+			&i.ReleaseSeason,
+			&i.Season,
+			&i.EpisodesAired,
+			&i.EpisodesAll,
+			&i.EpisodesLen,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}