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Merge pull request #18 from vibharaj/master
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Added category-alias related changes
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@mattcheah
mattcheah authored Jun 29, 2021
2 parents e6383f6 + d4094d7 commit 549632c
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Showing 18 changed files with 1,200 additions and 46 deletions.
1 change: 1 addition & 0 deletions category-aliases-db.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
[{"_id":322143,"category":"cat10\n","aliases":["a1","a2"]},{"_id":247812,"category":"php\n\n","aliases":["php11"]}]
211 changes: 210 additions & 1 deletion controllers/json-routes.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ const path = require('path');
// CRUD routes for JSON file snippets entries.
const self = module.exports = {
jsonFilePath: "",
aliasJsonFilePath: "",
getSnippets: (req,res) => {
console.log("Called GetSnippets!");
self.jsonFilePath = path.normalize(req.body.databaseUrl);
Expand Down Expand Up @@ -69,7 +70,8 @@ const self = module.exports = {
};

db.push(snippetObject);

console.log("db in json routes add snippet: ");
console.log(db);
self.writeJson(db, () => {
console.log("Added snippet:");
console.log(snippet);
Expand Down Expand Up @@ -204,5 +206,212 @@ const self = module.exports = {
connected: true,
data: []
});
},


// for aliases
getCategoryAliases: (req,res) => {
console.log("Called getCategoryAliases!");
self.aliasJsonFilePath = path.normalize(req.body.databaseUrl);
console.log("alias json file path: " + self.aliasJsonFilePath);

//create file if it doesn't exist.
try {

fs.open(self.aliasJsonFilePath, "wx", function (err, fd) {
if (err) {
// throw(err);
console.log("categoryAliasesFile exists already");
} else {
let newJson = [
{
category: "category1",
aliases: ["alias1","alias2","alias3","alias4"]
}
];
self.writeCategoryAliasesToJson(newJson, ()=> {
fs.close(fd, function (err) {
if (err) {
console.log("error closing created json category aliases file: " + err);
}
});
});
}

});
} catch(err) {
console.log("Error: Thrown error");
console.log(err);
}

self.returnJsonCategoryAliasesData().then(data => {
console.log("my alias data: ");
console.log(data);
let returnObj = {
responseMessage: "Connected to JSON category aliases file and Returned Results!",
connected: true,
data: data
};
res.json(returnObj);
}).catch(err => {
res.status(500).json({
error: true,
responseMessage: "Sorry, could not connect to JSON category aliases file",
connected: false,
data: []
});
});
},
addCategoryAliases: (req,res) => {
console.log("calling addCategoryAliases");
const category = req.body.category;
const aliases = req.body.aliases;


self.returnJsonCategoryAliasesData().then(data => {
console.log("promise return from addCategoryAliases");
let db = data;
const categoryAliasesObj = {
_id: self.createUniqueCategoryAliasId(db),
category: category,
aliases: aliases
};

db.push(categoryAliasesObj);

self.writeCategoryAliasesToJson(db, () => {
console.log("Added category and aliases:");
console.log(category);
console.log(aliases);
res.json(self.createResponseCategoryAliasesObject(db, "Added category and aliases to the Database Successfully!"));
});

}).catch(err => {
let returnObj = {
error: true,
responseMessage: err,
data: [],
connected: true
}
res.status(500).json(returnObj);
});
},
editCategoryAliases: (req,res) => {
const id = req.body.id;
const category = req.body.category;
const aliases = req.body.aliases;
const categoryAliasesObj = {
category: category,
aliases: aliases
};

self.returnJsonCategoryAliasesData().then(data => {
let db = data;
let foundCategory = false;

for(let i = 0; i < db.length; i++) {
if (db[i]._id === id) {
db[i].category = category;
db[i].aliases = aliases;
foundCategory = true;
}
}

if (foundCategory) {
self.writeCategoryAliasesToJson(db, ()=> {
res.json(self.createResponseCategoryAliasesObject(db, "Edited your category with an id of: " + id));
});
} else {
self.catchCategoryAliasesError("Could not find category with an id of: " + id, res, 400);
}

}).catch((err) => {
self.catchCategoryAliasesError(err, res);
});
},
deleteCategoryAliases: (req,res) => {
const id = req.body.id;
self.returnJsonCategoryAliasesData().then(data => {
let db = data;
let foundCategory = false;

for (let i = 0; i < db.length; i++) {
if (db[i]._id === id) {
//Splice this element out of the db.
db.splice(i, 1);
foundCategory = true;
}
}

if (foundCategory) {
self.writeCategoryAliasesToJson(db, () => {
res.json(self.createResponseCategoryAliasesObject(db, "Successfully deleted category with Id of "+id));
});
} else {
self.catchCategoryAliasesError("Could not find category with an id of: " + id, res, 400);
}

}).catch(err => {
self.catchCategoryAliasesError(err,res);
});
},
returnJsonCategoryAliasesData: () => {
return new Promise((response, reject) => {
try {

const database = require(path.resolve(__dirname, "../", self.aliasJsonFilePath));

// console.log("Got JSON DB. Last entry:");
// console.log(database[database.length-1]._id);
response(database);
} catch (err) {
reject(err);
}
});
},
createUniqueCategoryAliasId: (db) => {
let newId = Math.floor(Math.random() * 1000000);
for(let i = 0; i < db.length; i++) {
if(db[i]._id === newId) {
return self.createUniqueCategoryAliasId(db);
}
}
return newId;
},
writeCategoryAliasesToJson: (db, callback) => {
let stream = fs.createWriteStream(path.resolve(__dirname, "../", self.aliasJsonFilePath));
stream.write(JSON.stringify(db), (err) => {
if (err) {
console.log("There was an error writing the file stream!");
console.error(err);
}
stream.end();
console.log("Wrote to file successfully!");
callback();
});
// fs.writeFileSync(path.resolve(__dirname, "../", self.aliasJsonFilePath), JSON.stringify(db), (err) => {
// if (err) {
// console.log("Error writing to JSON file!");
// throw err;
// }
// });
},
createResponseCategoryAliasesObject: (db, successMsg) => {
console.log(successMsg);
return {
error: false,
responseMessage: successMsg,
data: db,
connected: true
};
},
catchCategoryAliasesError: (err, res, status = 500) => {
console.log("Caught Error: "+err);
res.status(status).json({
error:true,
responseMessage: err,
connected: true,
data: []
});
}
}
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