Backend for IIT Gandhinagar's Institute App "InsIIT" written in NodeJs with MongoDB.
Production Backend is hosted here. Contact developers for your API key to use.
- Download and import the file Postman-API-Documentation-Collection.json in your Postman to build, write and test backend APIs.
- You can set-up your own Firebase config file in constants/firebaseKey.json, include your MongoDB connection string in db.js.
- You can add your own API key in constants/values.js in
VALID_API_KEYS. You can also contact developers for your own key for production version of backend otherwise you may host it on your own in a Heroku project. - Read API documentation below or through Postman-API-Documentation-Collection.json by importing.
.
├── Postman-API-Documentation-Collection.json <Postman API collection>
├── Procfile <For Heroku>
├── README.md <this file>
├── constants
│ ├── firebaseKey.json <Firebase connection>
│ └── values.js <Constant values>
├── db.js <Connection With MongoDB>
├── functions
│ ├── commonAPIs.js <API logic for common ones>
│ ├── feedAPIs.js <API logic for Feed>
│ ├── hashtagAPIs.js <API logic for Hashtags>
│ └── helpers.js <Useful functions>
├── package-lock.json
├── package.json
└── server.js <Main file, server endpoints>
Add a new post in feed for a given user.
URL /postFeed
Method POST
URL Params api_key=[String] user_id=[String]
Data Params
{
"content":"Feed 1",
"timestamp":"31-12-2020 21:08",
"image_urls":["url 1", "https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png"],
"comments":[],
"hashtags":["btech","alert","covid19"],
"reactions":{
"like":0,
"insightful":0,
"celebrate":0,
"haha":0
},
"comments_on":true,
"reacted_by":[]
}
Success Response:
{
"success": true,
"message": "Query was successful"
}
Error Response:
{
"success": false,
"message": "Error message"
}
Fetch all feeds in the database with pagination start_from. At once only NUMBER_OF_FEEDS_AT_A_TIME feeds can be fetched which is defined in constants/values.js. The feed is sorted in decreasing order of time at which they were inserted in the database.
URL /getFeeds
Method GET
URL Params api_key=[String] start_from=[Integer]
Data Params none
Success Response:
{
"success": true,
"message": "Query was successful",
"results": [
{
"_id": "5fedf35e2fa1880004170f0c",
"content": "Feed 3",
"timestamp": "31-12-2020 21:08",
"image_urls": [
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png",
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png"
],
"comments": [],
"hashtags": [
"india",
"btech"
],
"reactions": {
"like": 0,
"insightful": 0,
"celebrate": 0,
"haha": 0
},
"comments_on": false,
"reacted_by": [],
"posted_by": {
"user_id": "1aSsRDsu3qfwVliZRgzy71X3y2f2",
"email": "praveen.venkatesh@iitgn.ac.in",
"full_name": "Praveen Venkatesh",
"image_link": "https://lh3.googleusercontent.com/a-/AOh14Ghi7Z0v76O59DIznGptIgGukFEPdvT3-FJQwJfv0w=s96-c"
}
},
{
"_id": "5fedf3462fa1880004170f0b",
"content": "Feed 2",
"timestamp": "31-12-2020 21:08",
"image_urls": [
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png",
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png"
],
"comments": [],
"hashtags": [
"amalthea",
"india"
],
"reactions": {
"like": 0,
"insightful": 0,
"celebrate": 0,
"haha": 0
},
"comments_on": true,
"reacted_by": [],
"posted_by": {
"user_id": "1aSsRDsu3qfwVliZRgzy71X3y2f2",
"email": "praveen.venkatesh@iitgn.ac.in",
"full_name": "Praveen Venkatesh",
"image_link": "https://lh3.googleusercontent.com/a-/AOh14Ghi7Z0v76O59DIznGptIgGukFEPdvT3-FJQwJfv0w=s96-c"
}
},
{
"_id": "5fedf0e22fa1880004170f0a",
"content": "Feed 1",
"timestamp": "31-12-2020 21:08",
"image_urls": [
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png",
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png"
],
"comments": [],
"hashtags": [
"btech",
"alert",
"covid19"
],
"reactions": {
"like": 0,
"insightful": 0,
"celebrate": 0,
"haha": 0
},
"comments_on": true,
"reacted_by": [],
"posted_by": {
"user_id": "1aSsRDsu3qfwVliZRgzy71X3y2f2",
"email": "praveen.venkatesh@iitgn.ac.in",
"full_name": "Praveen Venkatesh",
"image_link": "https://lh3.googleusercontent.com/a-/AOh14Ghi7Z0v76O59DIznGptIgGukFEPdvT3-FJQwJfv0w=s96-c"
}
}
]
}
Error Response:
{
"success": false,
"message": "Error message"
"results":[]
}
Post a comment for on a given post for a given user.
URL /postComment
Method POST
URL Params api_key=[String] feed_id=[String] user_id=[String]
Data Params
{
"content":"Comment 1 on Feed 1",
"timestamp":"11-05-2020 14:24",
"reactions":{
"like":0,
"insightful":0,
"celebrate":0,
"haha":0
},
"reacted_by":[]
}
Success Response:
{
"success": true,
"message": "Query was successful",
"results": [
{
"_id": "5fedf0e22fa1880004170f0a",
"content": "Feed 1",
"timestamp": "31-12-2020 21:08",
"image_urls": [
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png",
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png"
],
"comments": [
{
"content": "Comment 1 on Feed 6",
"timestamp": "11-05-2020 14:24",
"reactions": {
"like": 0,
"insightful": 0,
"celebrate": 0,
"haha": 0
},
"reacted_by": [],
"posted_by": {
"user_id": "1aSsRDsu3qfwVliZRgzy71X3y2f2",
"email": "praveen.venkatesh@iitgn.ac.in",
"full_name": "Praveen Venkatesh",
"image_link": "https://lh3.googleusercontent.com/a-/AOh14Ghi7Z0v76O59DIznGptIgGukFEPdvT3-FJQwJfv0w=s96-c"
}
}
],
"hashtags": [
"btech",
"alert",
"covid19"
],
"reactions": {
"like": 0,
"insightful": 0,
"celebrate": 0,
"haha": 0
},
"comments_on": true,
"reacted_by": [],
"posted_by": {
"user_id": "1aSsRDsu3qfwVliZRgzy71X3y2f2",
"email": "praveen.venkatesh@iitgn.ac.in",
"full_name": "Praveen Venkatesh",
"image_link": "https://lh3.googleusercontent.com/a-/AOh14Ghi7Z0v76O59DIznGptIgGukFEPdvT3-FJQwJfv0w=s96-c"
}
}
]
}
Error Response:
{
"success": false,
"message": "Error message"
"results":[]
}
Update reaction on a post for a given user.
URL /feedReactionUpdate
Method POST
URL Params api_key=[String] feed_id=[String] user_id=[String]
Data Params
{
"where":"insightful",
"change":1
}
Success Response:
{
"success": true,
"message": "Query was successful",
"results": [
{
"_id": "5fedf0e22fa1880004170f0a",
"content": "Feed 1",
"timestamp": "31-12-2020 21:08",
"image_urls": [
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png",
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png"
],
"comments": [
{
"content": "Comment 1 on Feed 6",
"timestamp": "11-05-2020 14:24",
"reactions": {
"like": 0,
"insightful": 0,
"celebrate": 0,
"haha": 0
},
"reacted_by": [],
"posted_by": {
"user_id": "1aSsRDsu3qfwVliZRgzy71X3y2f2",
"email": "praveen.venkatesh@iitgn.ac.in",
"full_name": "Praveen Venkatesh",
"image_link": "https://lh3.googleusercontent.com/a-/AOh14Ghi7Z0v76O59DIznGptIgGukFEPdvT3-FJQwJfv0w=s96-c"
}
}
],
"hashtags": [
"btech",
"alert",
"covid19"
],
"reactions": {
"like": 0,
"insightful": 1,
"celebrate": 0,
"haha": 0
},
"comments_on": true,
"reacted_by": [
"1aSsRDsu3qfwVliZRgzy71X3y2f2"
],
"posted_by": {
"user_id": "1aSsRDsu3qfwVliZRgzy71X3y2f2",
"email": "praveen.venkatesh@iitgn.ac.in",
"full_name": "Praveen Venkatesh",
"image_link": "https://lh3.googleusercontent.com/a-/AOh14Ghi7Z0v76O59DIznGptIgGukFEPdvT3-FJQwJfv0w=s96-c"
}
}
]
}
Error Response:
{
"success": false,
"message": "Error message"
"results":[]
}
Update reaction on a given comment for a given post for a given user.
URL /commentReactionUpdate
Method POST
URL Params api_key=[String] feed_id=[String] user_id=[String] comment_index=[Integer]
Data Params
{
"where":"haha",
"change":1
}
Success Response:
{
"_id": "5fedf0e22fa1880004170f0a",
"content": "Feed 1",
"timestamp": "31-12-2020 21:08",
"image_urls": [
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png",
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png"
],
"comments": [
{
"content": "Comment 1 on Feed 6",
"timestamp": "11-05-2020 14:24",
"reactions": {
"like": 0,
"insightful": 0,
"celebrate": 0,
"haha": 1
},
"reacted_by": [
"1aSsRDsu3qfwVliZRgzy71X3y2f2"
],
"posted_by": {
"user_id": "1aSsRDsu3qfwVliZRgzy71X3y2f2",
"email": "praveen.venkatesh@iitgn.ac.in",
"full_name": "Praveen Venkatesh",
"image_link": "https://lh3.googleusercontent.com/a-/AOh14Ghi7Z0v76O59DIznGptIgGukFEPdvT3-FJQwJfv0w=s96-c"
}
}
],
"hashtags": [
"btech",
"alert",
"covid19"
],
"reactions": {
"like": 0,
"insightful": 1,
"celebrate": 0,
"haha": 0
},
"comments_on": true,
"reacted_by": [
"1aSsRDsu3qfwVliZRgzy71X3y2f2"
],
"posted_by": {
"user_id": "1aSsRDsu3qfwVliZRgzy71X3y2f2",
"email": "praveen.venkatesh@iitgn.ac.in",
"full_name": "Praveen Venkatesh",
"image_link": "https://lh3.googleusercontent.com/a-/AOh14Ghi7Z0v76O59DIznGptIgGukFEPdvT3-FJQwJfv0w=s96-c"
}
}
Error Response:
{
"success": false,
"message": "You have already reacted/ Error message"
}
Add new hashtags which can be used in posts by users for posting.
URL /addNewHashTag
Method POST
URL Params api_key=[String]
Data Params
{
"hash_tag_name":"happynewyear"
}
Success Response:
{
"success": true,
"message": "Query was successful"
}
Error Response:
{
"success": false,
"message": "Error message"
}
Fetch all hashtags present in the database for a given user (denoting whether this user has followed this hashtag or not)
URL /getAllHashTags
Method GET
URL Params api_key=[String] user_id=[String]
Data Params none
Success Response:
{
"success": true,
"message": "Query was successful",
"results": [
{
"hash_tag_id": "5fe35baf6258e30d38be9a14",
"hash_tag_name": "blithcron",
"followed_by_user": true
},
{
"hash_tag_id": "5fe35bb36258e30d38be9a15",
"hash_tag_name": "alert",
"followed_by_user": true
},
{
"hash_tag_id": "5fe35bb76258e30d38be9a16",
"hash_tag_name": "covid19",
"followed_by_user": true
},
{
"hash_tag_id": "5fe35bbb6258e30d38be9a17",
"hash_tag_name": "msc",
"followed_by_user": true
},
{
"hash_tag_id": "5fe35bbf6258e30d38be9a18",
"hash_tag_name": "btech",
"followed_by_user": true
},
{
"hash_tag_id": "5fe35bd26258e30d38be9a19",
"hash_tag_name": "amalthea",
"followed_by_user": true
},
{
"hash_tag_id": "5fe35bd66258e30d38be9a1a",
"hash_tag_name": "uk",
"followed_by_user": true
},
{
"hash_tag_id": "5fe35be36258e30d38be9a1b",
"hash_tag_name": "india",
"followed_by_user": true
},
{
"hash_tag_id": "5fe35bf56258e30d38be9a1c",
"hash_tag_name": "iitgn",
"followed_by_user": true
},
{
"hash_tag_id": "5fe35bf96258e30d38be9a1d",
"hash_tag_name": "coding",
"followed_by_user": false
},
{
"hash_tag_id": "5fedf77d2fa1880004170f0d",
"hash_tag_name": "happynewyear",
"followed_by_user": false
}
]
}
Error Response:
{
"success": false,
"message": "Error message"
}
Follow given hashtag by given user.
URL /addUserForHashTag
Method POST
URL Params api_key=[String] user_id=[String]
Data Params
{
"hash_tag_id":"5fe35be36258e30d38be9a1b"
}
Success Response:
{
"success": true,
"message": "Query was successful"
}
Error Response:
{
"success": false,
"message": "Error message"
}
Unfollow given hashtag for given user.
URL /removeUserForHashTag
Method POST
URL Params api_key=[String] user_id=[String]
Data Params
{
"hash_tag_id":"5fe35be36258e30d38be9a1b"
}
Success Response:
{
"success": true,
"message": "Query was successful"
}
Error Response:
{
"success": false,
"message": "Error message"
}
Fetch all posts in the database with pagination start_from and whose intersection with given hashtag list is not null. At once only NUMBER_OF_FEEDS_AT_A_TIME feeds can be fetched which is defined in constants/values.js. The feed is sorted in decreasing order of time at which they were inserted in the database.
URL /getFeedWithHashTag
Method POST
URL Params api_key=[String] start_from=[Integer]
Data Params
{
"hash_tags":["amalthea", "covid19"]
}
Success Response:
{
"success": true,
"message": "Query was successful",
"results": [
{
"_id": "5fedf3462fa1880004170f0b",
"content": "Feed 2",
"timestamp": "31-12-2020 21:08",
"image_urls": [
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png",
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png"
],
"comments": [],
"hashtags": [
"amalthea",
"india"
],
"reactions": {
"like": 0,
"insightful": 0,
"celebrate": 0,
"haha": 0
},
"comments_on": true,
"reacted_by": [],
"posted_by": {
"user_id": "1aSsRDsu3qfwVliZRgzy71X3y2f2",
"email": "praveen.venkatesh@iitgn.ac.in",
"full_name": "Praveen Venkatesh",
"image_link": "https://lh3.googleusercontent.com/a-/AOh14Ghi7Z0v76O59DIznGptIgGukFEPdvT3-FJQwJfv0w=s96-c"
}
},
{
"_id": "5fedf0e22fa1880004170f0a",
"content": "Feed 1",
"timestamp": "31-12-2020 21:08",
"image_urls": [
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png",
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png"
],
"comments": [
{
"content": "Comment 1 on Feed 6",
"timestamp": "11-05-2020 14:24",
"reactions": {
"like": 0,
"insightful": 0,
"celebrate": 0,
"haha": 1
},
"reacted_by": [
"1aSsRDsu3qfwVliZRgzy71X3y2f2"
],
"posted_by": {
"user_id": "1aSsRDsu3qfwVliZRgzy71X3y2f2",
"email": "praveen.venkatesh@iitgn.ac.in",
"full_name": "Praveen Venkatesh",
"image_link": "https://lh3.googleusercontent.com/a-/AOh14Ghi7Z0v76O59DIznGptIgGukFEPdvT3-FJQwJfv0w=s96-c"
}
}
],
"hashtags": [
"btech",
"alert",
"covid19"
],
"reactions": {
"like": 0,
"insightful": 1,
"celebrate": 0,
"haha": 0
},
"comments_on": true,
"reacted_by": [
"1aSsRDsu3qfwVliZRgzy71X3y2f2"
],
"posted_by": {
"user_id": "1aSsRDsu3qfwVliZRgzy71X3y2f2",
"email": "praveen.venkatesh@iitgn.ac.in",
"full_name": "Praveen Venkatesh",
"image_link": "https://lh3.googleusercontent.com/a-/AOh14Ghi7Z0v76O59DIznGptIgGukFEPdvT3-FJQwJfv0w=s96-c"
}
}
]
}
Error Response:
{
"success": false,
"message": "Error message"
}
Fetch all feeds in the database with pagination start_from for a given user i.e. only those posts will appear whose intersection of hashtags with hashtags that given user follows is not null. At once only NUMBER_OF_FEEDS_AT_A_TIME feeds can be fetched which is defined in constants/values.js. The feed is sorted in decreasing order of time at which they were inserted in the database.
URL /getFeedForUser
Method GET
URL Params api_key=[String] start_from=[Integer] user_id=[String]
Data Params none
Success Response:
{
"success": true,
"message": "Query was successful",
"results": [
{
"_id": "5fedf3462fa1880004170f0b",
"content": "Feed 2",
"timestamp": "31-12-2020 21:08",
"image_urls": [
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png",
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png"
],
"comments": [],
"hashtags": [
"amalthea",
"india"
],
"reactions": {
"like": 0,
"insightful": 0,
"celebrate": 0,
"haha": 0
},
"comments_on": true,
"reacted_by": [],
"posted_by": {
"user_id": "1aSsRDsu3qfwVliZRgzy71X3y2f2",
"email": "praveen.venkatesh@iitgn.ac.in",
"full_name": "Praveen Venkatesh",
"image_link": "https://lh3.googleusercontent.com/a-/AOh14Ghi7Z0v76O59DIznGptIgGukFEPdvT3-FJQwJfv0w=s96-c"
}
},
{
"_id": "5fedf0e22fa1880004170f0a",
"content": "Feed 1",
"timestamp": "31-12-2020 21:08",
"image_urls": [
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png",
"https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png"
],
"comments": [
{
"content": "Comment 1 on Feed 6",
"timestamp": "11-05-2020 14:24",
"reactions": {
"like": 0,
"insightful": 0,
"celebrate": 0,
"haha": 1
},
"reacted_by": [
"1aSsRDsu3qfwVliZRgzy71X3y2f2"
],
"posted_by": {
"user_id": "1aSsRDsu3qfwVliZRgzy71X3y2f2",
"email": "praveen.venkatesh@iitgn.ac.in",
"full_name": "Praveen Venkatesh",
"image_link": "https://lh3.googleusercontent.com/a-/AOh14Ghi7Z0v76O59DIznGptIgGukFEPdvT3-FJQwJfv0w=s96-c"
}
}
],
"hashtags": [
"btech",
"alert",
"covid19"
],
"reactions": {
"like": 0,
"insightful": 1,
"celebrate": 0,
"haha": 0
},
"comments_on": true,
"reacted_by": [
"1aSsRDsu3qfwVliZRgzy71X3y2f2"
],
"posted_by": {
"user_id": "1aSsRDsu3qfwVliZRgzy71X3y2f2",
"email": "praveen.venkatesh@iitgn.ac.in",
"full_name": "Praveen Venkatesh",
"image_link": "https://lh3.googleusercontent.com/a-/AOh14Ghi7Z0v76O59DIznGptIgGukFEPdvT3-FJQwJfv0w=s96-c"
}
}
]
}
Error Response:
{
"success": false,
"message": "Error message"
}