Food counter

Food Counter/requirements.txt

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+flask
+connexion
+flask_cors
+psycopg2
+connexion[swagger-ui]

Food Counter/src/__init__.py

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+import connexion
+from flask_cors import CORS
+from src.config.enviroment import HOST, PORT
+
+
+def init_api():
+    app = connexion.App(__name__, specification_dir="./swagger/")
+    app.add_api('swagger.yaml', arguments={"host_with_port": f"{HOST}:{PORT}"})
+    CORS(app.app)
+    return app

Food Counter/src/config/database.py

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+import psycopg2
+
+from src.config.enviroment import DBHOST, DB_NAME, DB_USER, DB_PASS
+
+
+class Conexao(object):
+    db = None
+
+    def __init__(self):
+        self.db = psycopg2.connect(host=DBHOST, database=DB_NAME, user=DB_USER, password=DB_PASS)
+
+    def manipular(self, sql):
+        try:
+            cur = self.db.cursor()
+            cur.execute(sql)
+            cur.close()
+            self.db.commit()
+
+        except:
+            return False
+
+        return True
+
+    def consultar(self, sql):
+        data = None
+        try:
+            cur = self.db.cursor()
+            cur.execute(sql)
+            data = cur.fetchall()
+        except:
+            return None
+        return data

Food Counter/src/config/enviroment.py

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+import os
+
+DBHOST = os.getenv("DB_HOST")
+DB_NAME = os.getenv("DB_NAME")
+DB_USER = os.getenv("DB_USER")
+DB_PASS = os.getenv("DB_PASS")
+HOST = os.getenv("IP_ADDRESS") or "localhost"
+PORT = os.getenv("SERVER_PORT") or 8080

Food Counter/src/controllers/api_controller.py

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+def get_alive():
+    return 'pong', 200

Food Counter/src/controllers/food_list_controller.py

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+from src.services.food_list_service import get_food_list, add_to_food_list, delete_item_to_food_list, get_list_by_date_to_food_list
+
+
+def get_list():
+    return get_food_list()
+
+
+def send_to_food_list(**kwargs):
+    item = kwargs.get('body')
+    return add_to_food_list(item)
+
+
+def delete_item(id):
+    id = int(id)
+    return delete_item_to_food_list(id)
+
+
+def get_list_by_date(**kwargs):
+    date = kwargs['date']
+    return get_list_by_date_to_food_list(date)

Food Counter/src/main.py

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+import os
+from src import init_api
+
+HOST = os.getenv("IP_ADDRESS") or "127.0.0.1"
+
+
+def main():
+    app = init_api()
+    app.run(host=HOST, port=8080)
+
+
+if __name__ == "__main__":
+    main()

Food Counter/src/services/food_list_service.py

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+from src.config.database import Conexao
+
+db = Conexao()
+
+
+def get_food_list():
+    datas = []
+    query = "SELECT * FROM public.food_list where status is not false order by created_at desc"
+    lista = db.consultar(query)
+    for item in lista:
+        data = {
+            "id": item[0],
+            "name": item[1],
+            "type": item[2],
+            "amount": item[3],
+            "created_at": item[5]
+        }
+        datas.append(data)
+
+    return datas
+
+
+def add_to_food_list(item):
+    if item['food_type'] not in ['Proteina', 'Carboidrato', 'Gordura']:
+        return "Tipo alimento invalido."
+    else:
+        query = f"INSERT INTO public.food_list (nome, tipo, quantidade, created_at, updated_at) VALUES('{item['food_name']}', '{item['food_type']}', {item['food_amount']}, now(), now());"
+        data = db.manipular(query)
+        return data
+
+
+def delete_item_to_food_list(id):
+    query = f"UPDATE public.food_list SET status=false, updated_at='now()' WHERE id={id};"
+
+    if db.manipular(query):
+        return f"ID: {id} removido com sucesso!"
+    else:
+        return f"Erro ao remover ID: {id}!"
+
+
+def get_list_by_date_to_food_list(date):
+    datas = []
+    query = f"select * from food_list where created_at <= '{date}'"
+    list = db.consultar(query)
+    for item in list:
+        data = {
+            "id": item[0],
+            "name": item[1],
+            "type": item[2],
+            "amount": item[3],
+            "created_at": item[5]
+        }
+        datas.append(data)
+
+    return datas

Food Counter/src/swagger/swagger.yaml

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+---
+swagger: "2.0"
+info:
+  description: "Food Count"
+  version: "1.0.0"
+  title: "Finetune Challenge - Food Count"
+  contact:
+    email: "cristianoxavier_@outlook.com"
+  license:
+    name: "Apache 2.0"
+    url: "http://www.apache.org/licenses/LICENSE-2.0.html"
+host: "{{host_with_port}}"
+basePath: "/v1"
+schemes:
+  - "https"
+  - "http"
+paths:
+  #endpoints
+  /ping:
+    get:
+      tags:
+        - "Keepalive"
+      summary: "Api keepalive"
+      description: "Apikeepalive"
+      responses:
+        200:
+          description: "pong response"
+      operationId: "get_alive"
+      x-swagger-router-controller: "src.controllers.api_controller"
+
+  /food:
+    get:
+      tags:
+        - "Food List"
+      summary: "Retorna a  lista de alimentos cadastrados"
+      description: "Retorna a  lista de alimentos cadastrados"
+      responses:
+        200:
+          description: "Retorna a  lista de alimentos cadastrados"
+      operationId: "get_list"
+      x-swagger-router-controller: "src.controllers.food_list_controller"
+
+    post:
+      tags:
+        - "Food List"
+      summary: "Adicionar um item a lista"
+      description: "Adicionar um item a lista"
+      parameters:
+        - name: "body"
+          in: "body"
+          required: true
+          schema:
+            $ref: "#/definitions/FoodInput"
+      responses:
+        200:
+          description: 200 operation
+          schema:
+            $ref: "#/definitions/ArrayOfFoodOutput"
+      operationId: "send_to_food_list"
+      x-swagger-router-controller: "src.controllers.food_list_controller"
+
+
+  /food/{id}:
+    delete:
+      tags:
+        - "Food List"
+      summary: "Inativa um item da lista"
+      description: "Inativa um item da lista"
+      parameters:
+        - name: "id"
+          in: "path"
+          required: true
+          description: "O registro sera inativado"
+          type: "integer"
+      responses:
+        200:
+          description: "Registro deletado com sucesso"
+        500:
+          description: "Erro no servidor"
+      operationId: "delete_item"
+      x-swagger-router-controller: "src.controllers.food_list_controller"
+
+  /food/{date}:
+    get:
+      tags:
+        - "Food List"
+      summary: "Retorna a  lista de alimentos filtrados pela data"
+      description: "Retorna a  lista de alimentos filtrados pela data"
+      parameters:
+        - name: "date"
+          in: "path"
+          required: true
+          description: "Retorna a  lista de alimentos filtrados pela data"
+          type: "string"
+      responses:
+        200:
+          description: "Registro deletado com sucesso"
+        500:
+          description: "Erro no servidor"
+      operationId: "get_list_by_date"
+      x-swagger-router-controller: "src.controllers.food_list_controller"
+
+
+definitions:
+  FoodInput:
+    type: "object"
+    properties:
+      food_name:
+        type: string
+        example: bananas
+      food_type:
+        type: string
+        example: proteina
+      food_amount:
+        type: integer
+        example: 2
+  FoodOutput:
+    type: "object"
+    properties:
+      food_id:
+        type: integer
+        example: 10
+      food_name:
+        type: string
+        example: bananas
+      food_type:
+        type: string
+        example: proteina
+      food_amount:
+        type: integer
+        example: 2
+
+  ArrayOfFoodOutput:
+    type: "array"
+    items:
+      $ref: "#/definitions/FoodInput"

Food Counter/src/wsgi.py

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+from src import init_api
+
+application = init_api()