Task #21 - add page controller and page/node api endpoints

app/controllers/api/v1/Page.controller.js

@@ -1,5 +1,6 @@
 const Controller = require('libflitter/controller/Controller')
 const PageModel = require('../../../models/api/Page.model')
+const Node = require('../../../models/api/Node.model')
 
 /*
  * Page Controller
@@ -29,7 +30,7 @@ class Page extends Controller {
         } else {
             page = new PageModel
             page.CreatedUserId = req.user.id
-            page.OrgUserId = req.user.id
+            page.OrgUserId = req.user._id
         }
 
         if ( !req.body.Name ) return res.status(400).message('Missing required: Name').api({})
@@ -52,10 +53,107 @@ class Page extends Controller {
         }
 
         page.UpdatedAt = new Date
-        page.UpdateUserId = req.user.id
+        page.UpdateUserId = req.user._id
 
         await page.save()
-        return req.api(page)
+        return res.api(page)
+    }
+
+    async get_nodes(req, res) {
+        const PageId = req.params.PageId
+
+        let page;
+        if ( PageId ) {
+            page = await PageModel.findOne({UUID: PageId})
+            if ( !page ) return res.status(404).message('Page not found with that ID.').api({})
+            if ( !page.accessible_by(req.user) ) return req.security.deny()
+        }
+
+        const nodes = await Node.find({PageId: page.UUID});
+        const assoc_nodes = {}
+        nodes.forEach(node => {
+            assoc_nodes[node.UUID] = node
+        })
+
+        const return_nodes = [];
+        for ( const uuid of page.NodeIds ) {
+            return_nodes.push(assoc_nodes[uuid])
+        }
+        return res.api(return_nodes);
+    }
+
+    async save_nodes(req, res) {
+        const PageId = req.params.PageId
+
+        let page;
+        if ( PageId ) {
+            page = await PageModel.findOne({UUID: PageId})
+            if ( !page ) return res.status(404).message('Page not found with that ID.').api({})
+            if ( !page.accessible_by(req.user, 'update') ) return req.security.deny()
+        }
+
+        const nodes = await Node.find({PageId: page.UUID})
+        const assoc_nodes = {}
+        nodes.forEach(node => {
+            assoc_nodes[node.UUID] = node
+        })
+
+        if ( !Array.isArray(req.body) ) return res.status(400).message('Invalid request body. Should be array of nodes.').api({})
+
+        const updated_node_ids = []
+        for ( let node of req.body ) {
+            if ( node.UUID && Object.keys(assoc_nodes).includes(node.UUID) ) updated_node_ids.push(node.UUID)
+        }
+
+        console.log('req body', req.body)
+
+        const updated_nodes = []
+        for ( let node of req.body ) {
+            if ( node.UUID && assoc_nodes[node.UUID] ) {
+                assoc_nodes[node.UUID].update_from_raw(node)
+                assoc_nodes[node.UUID].UpdatedAt = new Date
+                assoc_nodes[node.UUID].UpdateUserId = req.user._id
+                updated_nodes.push(assoc_nodes[node.UUID])
+            } else {
+                const node_obj = new Node({
+                    Type: node.Type,
+                    Value: node.Value,
+                    PageId,
+                    CreatedUserId: req.user._id,
+                    UpdateUserId: req.user._id,
+                })
+                await node_obj.save()
+
+                updated_nodes.push(node_obj)
+            }
+        }
+
+        // console.log('updated nodes', updated_nodes)
+
+        let delete_nodes = nodes
+        for ( const node of updated_nodes ) {
+            await node.save()
+            delete_nodes = delete_nodes.filter(n => {
+                return n.UUID !== node.UUID
+            })
+        }
+
+        for ( const node of delete_nodes ) {
+            await node.delete()
+        }
+
+        console.log('updated nodes', updated_nodes)
+
+        page.NodeIds = updated_nodes.map(x => x.UUID)
+        console.log({page})
+        await page.save()
+
+        res.api(updated_nodes)
+
+        // Step 1: make sure the updated nodes are updated
+        // Make sure the deleted nodes are deleted
+        // Make sure the new nodes are created
+        // Make sure the order is correct
     }
 }
 

app/models/api/Node.model.js

@@ -29,6 +29,11 @@ class Node extends Model {
 		const Page = this.model.get("api:Page")
 		return this.belongs_to_one(Page, "PageId", "_id")
 	}
+
+	update_from_raw(data) {
+		if ( data.Type ) this.Type = data.Type
+		if ( data.Value ) this.Value = data.Value
+	}
 }
 
 module.exports = exports = Node;

app/routing/Middleware.js

@@ -10,6 +10,7 @@
  */
 const Middleware = [
     "auth:Utility",
+    "api:GuaranteeRootNode",
 
     // 'MiddlewareName',
 

app/routing/middleware/api/GuaranteeRootNode.middleware.js

@@ -0,0 +1,43 @@
+const Middleware = require('libflitter/middleware/Middleware')
+
+/*
+ * GuaranteeRootNode Middleware
+ * -------------------------------------------------------------
+ * Put some description here!
+ */
+class GuaranteeRootNode extends Middleware {
+    static get services() {
+        return [...super.services, 'models']
+    }
+
+    /*
+     * Run the middleware test.
+     * This method is required by all Flitter middleware.
+     * It should either call the next function in the stack,
+     * or it should handle the response accordingly.
+     */
+    async test(req, res, next, args = {}){
+        const Page = this.models.get('api:Page')
+        if ( req.user ) {
+            const root_page = await Page.findOne({ OrgUserId: req.user._id, ParentId: "0" })
+            if ( !root_page ) {
+                const new_page = new Page({
+                    Name: `${req.user.uid} virtual root`,
+                    OrgUserId: req.user._id,
+                    ParentId: "0",
+                    CreatedUserId: req.user.id,
+                    UpdateUserId: req.user.id,
+                })
+
+                await new_page.save()
+            }
+        }
+
+        /*
+         * Call the next function in the stack.
+         */
+        next()
+    }
+}
+
+module.exports = exports = GuaranteeRootNode

app/routing/routers/api/v1.routes.js

@@ -38,10 +38,12 @@ const index = {
     get: {
         '/hello_world': ['controller::api:v1:Misc.hello_world'],
         '/page/:PageId': ['controller::api:v1:Page.get_page'],
+        '/page/:PageId/nodes': ['controller::api:v1:Page.get_nodes'],
     },
 
     post: {
         '/page/:PageId/save': ['controller::api:v1:Page.save_page'],
+        '/page/:PageId/nodes/save': ['controller::api:v1:Page.save_nodes'],
     },
 }