Start patch method

SmearcarDB/server.py

@@ -12,6 +12,8 @@ app.config.update(
 )
 db = SQLAlchemy(app)
 
+# TODO Updates table (add, edit, delete) (author, date, title, content)
+# TODO convert pickle to db
 
 class Frequency(db.Model):
     language_id = db.Column(db.Integer, db.ForeignKey('language.id'), primary_key=True)
@@ -29,7 +31,7 @@ class Language(db.Model):
 
 class Phoneme(db.Model):
     id = db.Column(db.Integer, primary_key=True, autoincrement=True)
-    name = db.Column(db.String(5), nullable=False)
+    name = db.Column(db.String(5), nullable=False, unique=True)
 
 
 def database():
@@ -46,6 +48,44 @@ def database():
         final['values'].append(languageobject)
     return final
 
+patch_functions = {
+    "phoneme_add": phoneme_add, # Add and edit value
+    "phoneme_remove": phoneme_remove, # Remove association and phoneme if necessary
+    # "language_name_edit": language_name_edit, # Change language name
+    # "language_source_add": language_source_add # Add/edit source
+}
+
+
+def phoneme_add(info):
+    """Add or edit value associated with phoneme."""
+    # info = {
+    #     language_id: language_id,
+    #     phoneme: phoneme_name,
+    #     value: phoneme_value
+    # }
+    phoneme = Phoneme.query.filter_by(name=info['phoneme']).first()
+    language = Language.query.filter_by(id=info['language_id']).first()
+    if phoneme:
+        link = Frequency.query.filter_by(language_id=language.id, phoneme_id=phoneme.id).first()
+        link.value = info['value']
+    else:
+        phoneme = Phoneme(name=info['phoneme'])
+        link = Frequency(value=info['value'])
+        link.phoneme = phoneme
+        language.phonemes.append(link)
+        db.session.add_all([phoneme, link])
+
+
+def phoneme_remove(info):
+    """Remove a phoneme from a language."""
+    # info = {
+    #     language_id: language_id,
+    #     phoneme_id: phoneme_id
+    # }
+    pass
+
+
+
 
 # Render the client at the default URL
 @app.route("/")
@@ -53,16 +93,22 @@ def initial():
     return render_template('index.html')
 
 
+# GET method for files
+@app.route("/server/<lang_id>")
+def file_return(lang_id):
+    return Language.query.filter_by(id=lang_id).first().source
+
+
 # Place for client to communicate with the server
 @app.route("/server", methods=["GET", "POST", "PATCH"])
 # TODO add more methods
 def backend():
-    # GET method returns the latest database
-    if request.method == "GET":
-        return jsonify(database())
+    # # GET method returns the latest database
+    # if request.method == "GET":
+    #     return jsonify(database())
 
     # POST method appends input to database['values']
-    elif request.method == "POST":
+    if request.method == "POST":
         recieved = request.get_json()
         language = Language(name=recieved['name'], source=recieved['source'])
         db.session.add(language)
@@ -78,16 +124,19 @@ def backend():
             language.phonemes.append(link)
             db.session.add(link)
         db.session.commit()
-        return jsonify(database())
+        # return jsonify(database())
 
 
-    # # PATCH method inputs edited language and returns updated database
-    # elif request.method == "PATCH":
-    #     newlanguage = request.get_json()
-    #     database['values'] = [newlanguage if language['id'] == newlanguage['id'] else language for language in database['values']]
-    #     saveDatabase()
-    #     return jsonify(database())
+    # PATCH method inputs edited language and returns updated database
+    elif request.method == "PATCH":
+        recieved = request.get_json()
+        patch_functions[recieved['action']](recieved['data'])
+        db.session.commit()
+        # database['values'] = [newlanguage if language['id'] == newlanguage['id'] else language for language in database['values']]
+        # saveDatabase()
+
+    return jsonify(database())
 
 
-if __name__ == "__main__":
-    app.run(host="0.0.0.0")
+# if __name__ == "__main__":
+#     app.run(host="0.0.0.0")