from smartninja_mongo.connection import MongoClient
# connect client
client = MongoClient(host="localhost")
# create a database (or find an existing one)
db = client.my_first_database
# create a collection (or find an existing one)
collection = db.users
# insert new documents
user_id_1 = collection.insert_one({
"first_name": "Matt",
"last_name": "Ramuta",
"year_born": 1987
}).inserted_id
user_id_2 = collection.insert_one({
"first_name": "Alina",
"last_name": "Toppler",
"year_born": 1991
}).inserted_id
user_id_3 = collection.insert_one({
"first_name": "Bob",
"last_name": "Marley",
"year_born": 1945
}).inserted_id
print(user_id_1)
print(type(user_id_1)) # user ids are not a string, but an ObjectId
import datetime
from smartninja_mongo.bson import ObjectId
from smartninja_mongo.connection import MongoClient
from smartninja_mongo.odm import Model
client = MongoClient('mongodb://localhost:27017/')
db = client.my_database
collection = db.users
user_id = collection.insert_one({
"first_name": "Matej",
"last_name": "Ramuta",
"year_born": 1987,
"created": datetime.datetime.now()
}).inserted_id
user_info = collection.find_one({"_id": user_id})
print(user_info)
try:
print(user_info.first_name)
except Exception as e:
print("Error because user_info is a dict, not an object")
class User(Model):
def __init__(self, first_name, **kwargs):
import datetime
import os
from smartninja_mongo.connection import MongoClient
from smartninja_mongo.odm import Model
from smartninja_mongo.bson import ObjectId
client = MongoClient(
os.getenv("MONGODB_URI", "localhost")
) # Find MONGODB_URI env var (Heroku). If not found, use "localhost"
db = client.my_database # change the database name when you deploy on Heroku
collection = db.topics
class Topic(Model):
def __init__(self, title, author_id, text, author_username, **kwargs):
self.title = title
self.author_id = author_id
self.author_username = author_username
self.text = text
self.created = datetime.datetime.now()
# data validation
if type(self.title) is not str:
raise TypeError("Topic title must be a string!")
if type(self.text) is not str:
raise TypeError("Topic text must be a string!")
super().__init__(**kwargs)
def insert(self):
import os
from smartninja_mongo.connection import MongoClient
# get DB client
mongo_uri = os.getenv("MONGODB_URI", "localhost") # Find MONGODB_URI env var (Heroku). If not found, use "localhost"
client = MongoClient(mongo_uri)
# get DB name
if mongo_uri != "localhost": # if app is on Heroku, get db name from MONGODB_URI
uri_parts = mongo_uri.split(":")
db_name = uri_parts[1].replace("//", "")
else:
db_name = "localdb"
mongo_db = client[db_name]