initial commit

src/services/docs/docs.hooks.js

@@ -0,0 +1,91 @@
+const { authenticate } = require('@feathersjs/authentication').hooks;
+const { checkDir, checkName } = require('../../../util/checkDirParts');
+const { disable, invalid, adminOnly } = require('../hooksUtil'); 
+const getUrl = require('../../../util/getUrl'); 
+const nameIsValid = name => {
+  name = checkName(name); 
+  if(!name) return invalid('name'); 
+  if(name.substr(name.length - 3).toLowerCase() !== '.md') {
+    name += '.md'; 
+  }
+  return name; 
+};
+const dirIsValid = dir => {
+  dir = checkDir(dir); 
+  if(!dir && dir !== 0) return invalid('dir');
+  else if(dir === 0) return '';  
+  return dir; 
+};
+const mdIsValid = md => {
+  if(typeof md !== 'string' || md.trim().length === 0) {
+    return invalid('md'); 
+  }
+  return md; 
+};
+const pathTaken = async (name, dir, app) => {
+  const matches = await app.service(getUrl('docs')).find({ query: { name, dir } }); 
+  if(matches.total > 0) {
+    return invalid(null, 'filename is taken'); 
+  }
+};
+module.exports = {
+  before: {
+    all: [ authenticate('jwt') ],
+    find: [],
+    get: [],
+    create: [ async ctx => {
+      const { app, data } = ctx; 
+      let { name, dir, md } = data; 
+      const k = {}; 
+      k.name = nameIsValid(name); 
+      k.dir = dirIsValid(dir); 
+      k.md = mdIsValid(md); 
+      await pathTaken(k.name, k.dir, app); 
+      ctx.data = k;  
+      return ctx; 
+    }],
+    update: [ disable ],
+    patch: [ async ctx => {
+      const { data, app } = ctx; 
+      const { name, dir, md } = data; 
+      const k = {}; 
+      if(name) k.name = nameIsValid(name); 
+      if(typeof dir === 'string') k.dir = dirIsValid(dir); // allow empty string
+      if(name || typeof dir === 'string') {
+        let checkName, checkDir;
+        if(!name || typeof dir !== 'string') {
+          const doc = await app.service(getUrl('docs')).get(ctx.id);
+          if(!name) checkName = doc.name; 
+          if(typeof dir !== 'string') checkDir = doc.dir; 
+        }
+        await pathTaken(k.name || checkName, 
+          typeof k.dir === 'string' ? k.dir : checkDir, app); 
+      }
+      if(md) k.md = mdIsValid(md); 
+      if(Object.keys(k).length === 0) invalid(null, 'nothing to update');
+      ctx.data = k; 
+      return ctx; 
+    }],
+    remove: [ adminOnly ]
+  },
+
+  after: {
+    all: [],
+    find: [],
+    get: [],
+    create: [],
+    update: [],
+    patch: [],
+    remove: []
+  },
+
+  error: {
+    all: [],
+    find: [],
+    get: [],
+    create: [],
+    update: [],
+    patch: [],
+    remove: []
+  }
+};