|
| 1 | +from flask import Flask, jsonify, request |
| 2 | +import json |
| 3 | +from flask_expects_json import expects_json |
| 4 | +import boto3 |
| 5 | +import os |
| 6 | + |
| 7 | +table_name = os.getenv('TODOTABLE_NAME') |
| 8 | +dynamodb = boto3.resource('dynamodb') |
| 9 | +table = dynamodb.Table(table_name) |
| 10 | + |
| 11 | +app = Flask(__name__) |
| 12 | + |
| 13 | +schema = { |
| 14 | + 'type': 'object', |
| 15 | + 'properties': { |
| 16 | + 'id': {'type': 'number'}, |
| 17 | + 'title': {'type': 'string'}, |
| 18 | + 'done': {'type': 'string'} |
| 19 | + }, |
| 20 | + 'required': ['id', 'title', 'done'] |
| 21 | +} |
| 22 | + |
| 23 | + |
| 24 | +@app.route('/') |
| 25 | +def hello_world(): |
| 26 | + return jsonify({'message': 'Hello, again'}) |
| 27 | + |
| 28 | + |
| 29 | +@app.route('/ishealthy') |
| 30 | +def receive_health_check(): |
| 31 | + return "Health check succeed\n" |
| 32 | + |
| 33 | + |
| 34 | +@app.route('/createtodo', methods=["POST", "OPTIONS"]) |
| 35 | +@expects_json(schema, force=False) |
| 36 | +def create_todo(): |
| 37 | + if request.method == 'OPTIONS': |
| 38 | + return "Endpoint Hit: createTodo method = OPTIONS\n" |
| 39 | + elif request.method == 'POST': |
| 40 | + params = request.get_json() |
| 41 | + item = { |
| 42 | + 'TodoId': params['id'], |
| 43 | + 'title': params['title'], |
| 44 | + 'done': params['done'] |
| 45 | + } |
| 46 | + table.put_item(Item=item) |
| 47 | + return "Endpoint Hit: createTodo and POST method and parameters is valid\n" |
| 48 | + |
| 49 | + |
| 50 | +def convert_from_response(item): |
| 51 | + todo = { |
| 52 | + 'id': int(item['TodoId']), |
| 53 | + 'title': item['title'], |
| 54 | + 'done': item['done'] |
| 55 | + } |
| 56 | + return todo |
| 57 | + |
| 58 | + |
| 59 | +@app.route('/alltodo') |
| 60 | +def get_alltodo(): |
| 61 | + response = table.scan() |
| 62 | + items = response['Items'] |
| 63 | + items = list(map(convert_from_response, items)) |
| 64 | + items = json.dumps(items) |
| 65 | + return items |
| 66 | + |
| 67 | + |
| 68 | +@app.route('/updatetodo/<path:todoid>', methods=['POST', 'OPTIONS']) |
| 69 | +def update_todo(todoid): |
| 70 | + if request.method == 'OPTIONS': |
| 71 | + return "Endpoint Hit: createTodo method = OPTIONS\n" |
| 72 | + elif request.method == 'POST': |
| 73 | + params = request.get_json() |
| 74 | + table.update_item( |
| 75 | + Key={'TodoId': todoid}, |
| 76 | + UpdateExpression="SET title=:title, done=:done", |
| 77 | + ExpressionAttributeValues={ |
| 78 | + ":title": params['title'], |
| 79 | + ":done": params['done'] |
| 80 | + } |
| 81 | + ) |
| 82 | + return "Updated todo\n" |
| 83 | + |
| 84 | + |
| 85 | +@app.route('/deletetodo/<path:todoid>') |
| 86 | +def delete_todo(todoid): |
| 87 | + table.delete_item( |
| 88 | + Key={'TodoId': int(todoid)} |
| 89 | + ) |
| 90 | + return "Deleted todo\n" |
| 91 | + |
| 92 | + |
| 93 | +@app.route('/createtable') |
| 94 | +def create_table(): |
| 95 | + return "createtable called (nothing to do)\n" |
| 96 | + |
| 97 | + |
| 98 | +@app.route('/deletetable') |
| 99 | +def delete_table(): |
| 100 | + return "deletetable called (nothing to do)\n" |
| 101 | + |
| 102 | + |
| 103 | +if __name__ == '__main__': |
| 104 | + app.run(debug=False, host='0.0.0.0', port=10000) |
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