API upgraded for tags fontman/fontman-desktop#39

blueprint/tags_controller.py

@@ -0,0 +1,30 @@
+""" Tags controller
+
+REST blueprint for font tags.
+
+Created by Lahiru Pathirage @ Mooniak <lpsandaruwan@gmail.com> on 8/2/2017
+"""
+
+from flask import Blueprint, jsonify, request
+
+from service import TagService
+
+tags_blueprint = Blueprint("tags_blueprint", __name__)
+
+
+@tags_blueprint.route("/tags/<font_id>")
+def find_tags_by_font_id(font_id):
+    response_data = []
+    tags = TagService().find_by_font_id(font_id)
+
+    for tag in tags:
+        response_data.append(
+            {
+                "tag_id": tag.tag_id,
+                "font_id": tag.font_id,
+                "key": tag.key,
+                "value": tag.value
+            }
+        )
+
+    return response_data

model/Tag.py

@@ -0,0 +1,22 @@
+""" Tag
+
+Keeps tags on more information of fonts.
+Eg: languages, serif/sans-serif...
+
+Created by Lahiru Pathirage @ Mooniak<lpsandaruwan@gmail.com> on 8/2/2017
+"""
+
+from sqlalchemy import Column, ForeignKey, Integer
+from sqlalchemy import String
+
+from session import Base
+
+
+class Tag(Base):
+
+    __tablename__ = "tag"
+
+    tag_id = Column(Integer, primary_key=True)
+    font_id = Column(Integer, ForeignKey("font.font_id"), nullable=False)
+    key = Column(String(20), nullable=False)
+    value = Column(String(20), nullable=False)

model/__init__.py

@@ -13,5 +13,6 @@
 from model.Metadata import Metadata
 from model.Rating import Rating
 from model.Role import Role
+from model.Tag import Tag
 from model.Team import Team
 from model.User import User

service/TagService.py

@@ -0,0 +1,50 @@
+""" Tags service
+
+High level functions to manipulate tags table.
+
+Created by Lahiru Pathirage @ Mooniak<lpsandaruwan@gmail.com> on 4/1/2017
+"""
+
+from model import Tag
+from session import DBSession
+
+
+class TagService:
+
+    def __init__(self):
+        self.__db_session = DBSession()
+
+    def add_new(self, font_id, key, value):
+        new_tag = Tag(
+            font_id=font_id,
+            key = key,
+            value=value
+        )
+
+        self.__db_session.add(new_tag)
+        self.__db_session.commit()
+
+        return new_tag
+
+    def delete_by_font_id(self, font_id):
+        self.find_by_font_id(font_id).delete()
+        self.__db_session.commit()
+
+    def find_by_font_id(self, font_id):
+        return self.__db_session.query(Tag).filter_by(font_id=font_id)
+
+    def find_by_key(self,key):
+        return self.__db_session.query(Tag).filter_by(key=key)
+
+    def find_by_tag_id(self, tag_id):
+        return self.__db_session.query(Tag).filter_by(tag_id=tag_id)
+
+    def find_by_value(self, value):
+        return self.__db_session.query(Tag).filter_by(value=value)
+
+    def find_by_key_value(self, key, value):
+        return self.__db_session.query(Tag).filter_by(key=key, value=value)
+
+    def update_by_font_id(self, tag_id, update_data):
+        self.find_by_tag_id(tag_id).update(update_data)
+        self.__db_session.commit()

service/__init__.py

@@ -13,5 +13,6 @@
 from service.MetadataService import MetadataService
 from service.RatingService import RatingService
 from service.RoleService import RoleService
+from service.TagService import TagService
 from service.TeamService import TeamService
 from service.UserService import UserService

utility/Initializer.py

@@ -16,7 +16,7 @@ def initialize():
     engine = create_engine(
         mysql_con_string
     )
-    Base.metadata.create_all(engine)
+    Base.metadata.create_all(engine, checkfirst=True)
 
     ChannelService().add_new(
         "Fontman", "Public"