MongoDB & Chirp
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The document introduces Antonio Di Motta, a software architect specializing in the development of complex projects using a mix of open-source and licensed products, particularly focusing on MongoDB. It explains the basic concepts of MongoDB including data structure, installation, and querying, while also discussing best practices for building APIs. Additionally, the document mentions the architecture of the Chirp application, highlighting future enhancements and features to be implemented.
![MongoDB – What is a document ?
// chirp, post document example
{ "_ id": "5759416fc7d0ffbdd72a2e98",
"username": "dimotta",
"ownerid": "5759416fc7d0ffbdd72a2e95",
"displayname": "Antonio Di Motta",
"image": "dimotta.jpg ", "timestamp":
ISODate("2016-06-18")
" text": "My first post on Chirp."
}
// chirp, user document example
{
"_id": "5759416fc7d0ffbdd72a2e95", // ObjectId
"username": "dimotta",
"displayname": "Antonio Di Motta",
"password": "$2a$10$nn4S7KMtT8GzQhNBLnToJuBs",
"email": "antonio.dimotta@gmail.com",
"image": "dimotta.jpg",
"following":["5759416fc7d0ffbdd72a2e96","5759416fc7d0ffbdd72a2e97"],
"followers":["5759416fc7d0ffbdd72a2e96","5759416fc7d0ffbdd72a2e97"]
}
http://creativecommons.org/licenses/by-nc-sa/3.0/”](https://image.slidesharecdn.com/meetupjssalerno-160619113226/85/MongoDB-Chirp-7-320.jpg)
![MongoDB – insert new document
> db.users.insert(
{
"_id": "1",
"username": "newusername",
"displayname": "I'm not a bot :)",
"password": password,
"email": "email@",
"image": "default.gif",
"summary": "Only for testing :)",
"following": [],
"followers": []
});
http://creativecommons.org/licenses/by-nc-sa/3.0/”](https://image.slidesharecdn.com/meetupjssalerno-160619113226/85/MongoDB-Chirp-11-320.jpg)
MongoDB & Chirp
- 1. MeetUp MongoDB & Chirp Antonio Di Motta github.com/antdimot
- 2. Who am I? I’m Antonio Di Motta e I’m Software Architect responsible for designing and developing of complex projects based on platform mixing open source and licensed products for the following markets: public transport, food and beverage, industry and media. http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 4. MEAN, the fullstack javascript http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 5. MongoDB – Why? Today’s solutions need to accommodate tomorrow’s needs • End of “Requirements Complete” • Ability to economically scale • Shorter solutions lifecycles http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 6. RDBMS MongoDB Database Database Table Collection Index Index Row Document Column Field Join Embedding & Linking MongoDB http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 7. MongoDB – What is a document ? // chirp, post document example { "_ id": "5759416fc7d0ffbdd72a2e98", "username": "dimotta", "ownerid": "5759416fc7d0ffbdd72a2e95", "displayname": "Antonio Di Motta", "image": "dimotta.jpg ", "timestamp": ISODate("2016-06-18") " text": "My first post on Chirp." } // chirp, user document example { "_id": "5759416fc7d0ffbdd72a2e95", // ObjectId "username": "dimotta", "displayname": "Antonio Di Motta", "password": "$2a$10$nn4S7KMtT8GzQhNBLnToJuBs", "email": "antonio.dimotta@gmail.com", "image": "dimotta.jpg", "following":["5759416fc7d0ffbdd72a2e96","5759416fc7d0ffbdd72a2e97"], "followers":["5759416fc7d0ffbdd72a2e96","5759416fc7d0ffbdd72a2e97"] } http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 8. MongoDB – Installing 1) Downloading setup package from https://www.mongodb.com 2) Using DOCKER docker pull mongo docker run –d mongo http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 9. MongoDB – CLI $ mongo > show dbs chirp local > use chirp > show collections posts users > db.users.find() { "_id": "5759416fc7d0ffbdd72a2e95", - - - - - - - - - - - - - - - - - - http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 10. MongoDB – more with query > myposts = db.posts.find( // create a function { “username”: “dimotta” }, // only my posts { “text”:1, “timestamp”:1 }, // only text and timestamp fields ) > doSomethingWithPostList( myposts ) http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 11. MongoDB – insert new document > db.users.insert( { "_id": "1", "username": "newusername", "displayname": "I'm not a bot :)", "password": password, "email": "email@", "image": "default.gif", "summary": "Only for testing :)", "following": [], "followers": [] }); http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 12. MongoDB – How to use it with app BSON Data Format Mobile App Browser Desktop REST API Query BSON Driver nodejs .net Java ……. { code } MongoDB Application Consumers http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 14. How is organized the project Front-end Rest API External packages Misc script files Chirp utility library Static content files Back-end configuration Application entry point http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 20. APIs made simple Basically each developer has his own standard and his own ideas on what an API should look like. And that’s bad. http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 21. API best practices ´ Make it REST, keep it JSON. Everybody speaks JSON, no need to ruin lives with XML ´ Never break backwards compatibility. Version your API, nice and easy: /api/v1/user can easily coexist with /api/v2/user and your customer has the freedom to update his API when he is comfortable. ´ Never camelCase it ´ Never start a property name with a number ´ Pluralize arrays in naming ´ Booleans. Always true or false, never null or undefined ´ If a property has the value null then remove it ´ Send your dates in UTC, without any offsets. 2015–05–28T14:07:17Z is much friendlier than 2015– 05–28T14:07:17+00:00 ´ Use lowercased, hyphen separated words in your URL. /store-order/1 ´ Query params, as the field names should be snake-cased customer_name, order_id ´ Use the right status codes: 200 for success, 403 forbidden… ´ Return proper error messages, never return error stack ´ If the client does not need the entire resource he should be available to filter for only the information interesting to him, in order to save bandwidth. http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 22. app/routes app/routes/index.js http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 23. app/routes/post/home_timeline.js http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 24. Single Page lifecycle model http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 26. Remember WWW folder? Do you need all this files for one page only? http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 27. app/www/index.html (only body) http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 31. Socket.IO enables real-time bidirectional event-based communication. It works on every platform, browser or device, focusing equally on reliability and speed. RealtimeService.js HomeController.js http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 33. Chirp, to do: ´ searching (users and messages) ´ security enhancements (ie. add jwt) ´ hashtag support ´ api documentation ´ edit user information ´ customize user info (ie. image profile) ´ repost http://creativecommons.org/licenses/by-nc-sa/3.0/”
- 34. Happy coding J