API & DB: Finish implementation of builds

database/build.js

@@ -1,11 +1,11 @@
 const debug = require('debug')('technicflux:server')
+const database = require('./database')
 const mongoose = require('mongoose')
 const { SchemaTypes } = require('mongoose')
 const Schema = mongoose.Schema
 
 // --- Schema ---
 const buildSchema = new Schema({
-  modpack: { type: SchemaTypes.ObjectId, ref: 'technicflux_modpacks' },
   version: String,
   minecraft: String,
   java: String,
@@ -18,3 +18,56 @@ const buildSchema = new Schema({
 exports.Build = mongoose.model('technicflux_builds', buildSchema)
 
 // --- Related Functions ---
+
+exports.createBuild = (bVersion, bMinecraft, bJava, bMemory, bForge) => {
+  // Create a build object
+  const newBuild = new exports.Build({
+    version: bVersion,
+    minecraft: bMinecraft,
+    java: bJava,
+    memory: bMemory,
+    forge: bForge,
+    mods: []
+  })
+
+  // Commit it to the database
+  return newBuild.save().then((build) => {
+    // Build successfully created
+    debug(`Successfully added new build ${build.version}.\n`)
+    return build
+  }).catch((reason) => {
+    // Build  failed to create
+    debug(`ERROR (DB: when saving new build): ${reason}\n`)
+    return false
+  })
+}
+
+exports.getAllModpackBuilds = (mSlug) => {
+  return database.modpack.getModpackBySlug(`${mSlug}`).populate('builds').exec().then((modpack) => {
+    return modpack.builds
+  }).catch((reason) => {
+    // Failed to fetch the modpack's builds
+    debug(`ERROR (DB): Couldn't fetch modpack because of: ${reason}\n`)
+    return undefined
+  })
+}
+
+exports.getModpackBuild = (mSlug, bVersion) => {
+  return database.modpack.getModpackBySlug(`${mSlug}`).then((modpack) => {
+    // Find the build.
+    const mBuild = modpack.builds.find(build => build.version === bVersion)
+
+    // The reason why we search separately is to prevent populating the mods of every modpack build.
+    return exports.Build.findOne({ _id: mBuild._id }).populate('mods').exec().then((build) => {
+      return build
+    }).catch((reason) => {
+      // Failed to fetch the build
+      debug(`ERROR (DB): Couldn't fetch the build (${mSlug}: ${bVersion}) because of: ${reason}\n`)
+      return undefined
+    })
+  }).catch((reason) => {
+    // Failed to fetch the modpack's builds
+    debug(`ERROR (DB): Couldn't fetch modpack because of: ${reason}\n`)
+    return undefined
+  })
+}

database/counter.js

@@ -4,8 +4,8 @@ const Schema = mongoose.Schema
 // --- Incremental Counter ---
 // Used for tracking the value of fields
 const CounterSchema = Schema({
-  _id: {type: String, required: true},
+  _id: { type: String, required: true },
   seq: { type: Number, default: 0 }
-});
+})
 
-exports.Counter = mongoose.model('technicflux_modcounter', CounterSchema);
+exports.Counter = mongoose.model('technicflux_modcounter', CounterSchema)

database/mod.js

@@ -25,8 +25,8 @@ const modSchema = new Schema({
 
 // Handle incremental updates of the mod_id
 modSchema.pre('save', (next) => {
-  let doc = this;
-  database.counter.Counter.findByIdAndUpdate({_id: 'modId'}, {$inc: { seq: 1 }}, (error, counter) => {
+  const doc = this
+  database.counter.Counter.findByIdAndUpdate({ _id: 'modId' }, { $inc: { seq: 1 } }, (error, counter) => {
     if (error) {
       return next(error)
     }

database/modpack.js

@@ -1,5 +1,6 @@
 const debug = require('debug')('technicflux:server')
 const mongoose = require('mongoose')
+const database = require('./database')
 const { SchemaTypes } = require('mongoose')
 const Schema = mongoose.Schema
 
@@ -111,3 +112,16 @@ exports.deleteModpack = (mSlug) => {
     return false
   })
 }
+
+exports.addModpackBuild = (mSlug, bVersion, bMinecraft, bJava, bMemory, bForge) => {
+  return database.build.createBuild(bVersion, bMinecraft, bJava, bMemory, bForge).exec().then((build) => {
+    exports.Modpack.updateOne(
+      { name: mSlug },
+      {
+        $push: {
+          builds: build._id
+        }
+      }
+    )
+  })
+}

routes/api.js

@@ -150,32 +150,35 @@ router.get('/modpack/:slug/:build?', (req, res) => {
         display_name: modpack.display_name,
         recommended: modpack.recommended,
         latest: modpack.latest,
-        builds: modpack.builds.map((build) => build.version)
+        builds: modpack.builds.map((mBuild) => mBuild.version)
       })
     } else {
       // Modpack build info
-
-      // Build found
-      return res.json({
-        minecraft: '1.20.1',
-        forge: null,
-        java: 17,
-        memory: 2048,
-        mods: [
-          {
-            name: 'examplemod',
-            version: '0.0.1',
-            md5: '51c1305b56249804926e38fcf3e46640',
-            url: 'https://example.com/file.zip',
-            filesize: 0
-          }
-        ]
+      return database.build.getModpackBuild(`${slug}`, `${build}`).then((mBuild) => {
+        if (mBuild !== undefined) {
+          // Build found
+          return res.json({
+            minecraft: mBuild.minecraft,
+            forge: null,
+            java: mBuild.java,
+            memory: mBuild.memory,
+            mods: mBuild.mods.map((mod) => {
+              return {
+                name: mod.name,
+                version: mod.version,
+                md5: mod.md5,
+                url: mod.link,
+                filesize: 0
+              }
+            })
+          })
+        } else {
+          // Build Not Found
+          res.status(404).json({
+            error: 'Build does not exist'
+          })
+        }
       })
-
-      // Build Not Found
-      // res.status(404).json({
-      //   "error": "Build does not exist"
-      // })
     }
   }).catch(() => {
     // Issue with db request