fix #3

src/api_spec.py

@@ -17,6 +17,7 @@ spec = APISpec(
 # Define schemas
 class FingerprintOuputSchema(Schema):
     response = fields.String(description="A message.", required=True)
+    fingerPrint = fields.String(description="FingerPrint", required=True)
 
 class FingerprintInputSchema(Schema):
     cid = fields.String(description="IPFS cid", required=True)

src/endpoints/mazash.py

@@ -4,6 +4,7 @@ from dejavu.logic.recognizer.file_recognizer import FileRecognizer
 import os
 import ipfshttpclient
 import tempfile
+import psycopg2
 mazash = Blueprint(name="mazash", import_name=__name__)
 
 config = {
@@ -16,6 +17,13 @@ config = {
   "database_type": os.getenv("DATABASE_TYPE", "mysql")
 }
 
+SELECT_HASH_BY_SONG_ID = """
+  SELECT upper(encode(songs.file_sha1, 'hex')) AS file_sha1
+  FROM songs
+  WHERE songs.song_name = %s;
+"""
+
+
 def transform_resultToJsonable(r):
   jsonable = {
     "song_id": r["song_id"],
@@ -66,9 +74,18 @@ def fingerprint():
     temp_file.close()
     djv.fingerprint_directory("/tmp/", [extension])
     os.remove(link_filename)
-    output = {"reponse":"success"}
+    output = {"reponse":"success", "fingerPrint":""}
+    dbConnection = psycopg2.connect(database=config["database"]["database"], user=config["database"]["user"], password=config["database"]["password"], host=config["database"]["host"])
+    cursor = dbConnection.cursor()
+    try:
+      cursor.execute(SELECT_HASH_BY_SONG_ID, (song_name,))
+    except psycopg2.Error as e:
+      return jsonify({"error_message":e})
+    row = cursor.fetchone()
+    output["fingerPrint"] = row[0]
   else :
     return 400, "waiting JSON valid"
+  dbConnection.close()
   return jsonify(output)
 
 @mazash.route('/recognize', methods=['POST'])