Add support for keeping track of images in metadata db

resources/metadb/002.sql

@@ -0,0 +1,7 @@
+
+CREATE TABLE imageitem (
+ item_id INTEGER UNIQUE REFERENCES item(id) ON DELETE CASCADE,
+ original_time INTEGER
+);
+CREATE INDEX imageitem_item_id_idx ON imageitem(item_id);
+

src/metadata.c

@@ -654,6 +654,54 @@ metadb_insert_videoitem(sqlite3 *db, int64_t item_id, const metadata_t *md)
 
 
 
+/**
+ *
+ */
+static int
+metadb_insert_imageitem(sqlite3 *db, int64_t item_id, const metadata_t *md)
+{
+ int i;
+ int rc = 0;
+ for(i = 0; i < 2; i++) {
+ sqlite3_stmt *stmt;
+
+ rc = sqlite3_prepare_v2(db, 
+ i == 0 ? 
+ "INSERT OR FAIL INTO imageitem "
+ "(item_id, original_time) "
+ "VALUES "
+ "(?1, ?2)"
+ :
+ "UPDATE imageitem SET "
+ "original_time = ?2 "
+ "WHERE item_id = ?1"
+ ,
+ -1, &stmt, NULL);
+
+ if(rc != SQLITE_OK) {
+ TRACE(TRACE_ERROR, "SQLITE", "SQL Error at %s:%d",
+ __FUNCTION__, __LINE__);
+ return -1;
+ }
+ sqlite3_bind_int64(stmt, 1, item_id);
+
+ if(md->md_time)
+ sqlite3_bind_int(stmt, 2, md->md_time);
+
+ rc = sqlite3_step(stmt);
+ sqlite3_finalize(stmt);
+ if(rc == SQLITE_CONSTRAINT && i == 0)
+ continue;
+ break;
+ }
+
+ if(rc != SQLITE_DONE)
+ return 1;
+ return 0;
+}
+
+
+
 
 
 
@@ -736,6 +784,10 @@ metadb_metadata_write(void *db, const char *url, time_t mtime,
  r = metadb_insert_videoitem(db, item_id, md);
  break;
 
+ case CONTENT_IMAGE:
+ r = metadb_insert_imageitem(db, item_id, md);
+ break;
+
  case CONTENT_DIR:
  case CONTENT_DVD:
  r = 0;
@@ -992,6 +1044,42 @@ metadb_metadata_get_streams(sqlite3 *db, metadata_t *md, int64_t item_id)
 }
 
 
+/**
+ *
+ */
+static int
+metadb_metadata_get_image(sqlite3 *db, metadata_t *md, int64_t item_id)
+{
+ int rc;
+ sqlite3_stmt *sel;
+
+ rc = sqlite3_prepare_v2(db,
+ "SELECT original_time "
+ "FROM imageitem "
+ "WHERE item_id = ?1",
+ -1, &sel, NULL);
+ if(rc != SQLITE_OK) {
+ TRACE(TRACE_ERROR, "SQLITE", "SQL Error at %s:%d",
+ __FUNCTION__, __LINE__);
+ return -1;
+ }
+
+ sqlite3_bind_int64(sel, 1, item_id);
+
+ rc = sqlite3_step(sel);
+
+ if(rc != SQLITE_ROW) {
+ sqlite3_finalize(sel);
+ return -1;
+ }
+
+ md->md_time = sqlite3_column_int(sel, 0);
+
+ sqlite3_finalize(sel);
+ return 0;
+}
+
+
 /**
  *
  */
@@ -1014,6 +1102,10 @@ metadata_get(void *db, int item_id, int contenttype, get_cache_t *gc)
  r = metadb_metadata_get_streams(db, md, item_id);
  break;
 
+ case CONTENT_IMAGE:
+ r = metadb_metadata_get_image(db, md, item_id);
+ break;
+
  case CONTENT_DIR:
  case CONTENT_DVD:
  r = 0;