103 lines
3.3 KiB
JavaScript
103 lines
3.3 KiB
JavaScript
const Msg = require('../models/msg'); //import msg model
|
|
|
|
//GET all messages
|
|
const getAllMsg = (req, res) => {
|
|
Msg.find({}, (err, data)=>{
|
|
if (err){
|
|
return res.status(404).json({Error: err});
|
|
}
|
|
return res.status(200).json(data);
|
|
})
|
|
};
|
|
|
|
//GET message based on id
|
|
const getOneMsg = (req, res) => {
|
|
|
|
//find the specific msg with that id
|
|
Msg.findOne({id:req.params.id}, (err, data) => {
|
|
if(data) {
|
|
return res.status(200).json(data);
|
|
}else{
|
|
if(err) return res.status(404).json(`Something went wrong, please try again. ${err}`);
|
|
return res.status(400).json({message: "Message can't be found, it doesn't exist."});
|
|
}
|
|
});
|
|
};
|
|
|
|
//POST message
|
|
const newMsg = (req, res) => {
|
|
|
|
//check if the id already exists in db
|
|
Msg.findOne({ id:req.params.id }, (err, data) => {
|
|
|
|
//if this message is not in db, add it
|
|
if (!data) {
|
|
//create a new msg object using the Msg model and req.params
|
|
const newMsg = new Msg({
|
|
id:req.params.id,
|
|
message:req.body.message,
|
|
time: Date.now(),
|
|
})
|
|
|
|
// save this object to database
|
|
newMsg.save((err, data)=>{
|
|
if(err) return res.status(404).json({Error: err});
|
|
return res.status(201).json(data);
|
|
})
|
|
//if there's an error or the msg is in db, return an error message
|
|
}else{
|
|
if(err) return res.status(404).json(`Something went wrong, please try again. ${err}`);
|
|
return res.status(400).json({message:"Message can't be posted. A message with that id already exists."});
|
|
}
|
|
})
|
|
};
|
|
|
|
//PUT message based on id
|
|
const updateMsg = (req, res) => {
|
|
|
|
//check if the id already exists in db
|
|
Msg.findOneAndUpdate({id:req.params.id}, {message:req.body.message}, {new: true}, (err, data) => {
|
|
|
|
//if this message is in db, update it
|
|
if (data) {
|
|
return res.status(201).json(data);
|
|
//if there's an error or the msg is in db, return an error message
|
|
}else{
|
|
if(err) return res.status(404).json(`Something went wrong, please try again. ${err}`);
|
|
return res.status(400).json({message:"Message can't be updated, it doesn't exist."});
|
|
}
|
|
})
|
|
};
|
|
|
|
//DELETE all messages
|
|
const deleteAllMsg = (req, res) => {
|
|
Msg.deleteMany({}, err => {
|
|
if(err) {
|
|
return res.status(404).json({message: "Deletion of all messages failed"});
|
|
}
|
|
return res.status(200).json({message: "Deletion of all messages successful"});
|
|
})
|
|
};
|
|
|
|
//DELETE message based on id
|
|
const deleteOneMsg = (req, res) => {
|
|
|
|
Msg.deleteOne({id:req.params.id}, (err, data) => {
|
|
//if there's nothing to delete return a message
|
|
if( data.deletedCount == 0) return res.status(400).json({message: "Message can't be deleted, it doesn't exist."});
|
|
//else if there's an error, return the err message
|
|
else if (err) return res.status(404).json(`Something went wrong, please try again. ${err}`);
|
|
//else, return the success message
|
|
else return res.status(200).json({message: "Message deleted."});
|
|
});
|
|
};
|
|
|
|
//export controller functions
|
|
module.exports = {
|
|
getAllMsg,
|
|
getOneMsg,
|
|
newMsg,
|
|
updateMsg,
|
|
deleteOneMsg,
|
|
deleteAllMsg
|
|
}; |