list keyframes

api/keyframes.js

@@ -3,12 +3,54 @@ import { uuidv7obj, UUID } from "uuidv7"
 
 
 export const mappings = [
+    { method: 'post',  url:'/keyframes',                    handler: 'listKeyframes',          middlewares: [authGuard]},
     { method: 'put',   url:'/keyframes',                    handler: 'createKeyframe',         middlewares: [authGuard]},
     { method: 'put',   url:'/keyframes/:kfid',              handler: 'renameKeyframe',         middlewares: [authGuard]},
     { method: 'put',   url:'/keyframes/:kfid/agents',       handler: 'saveKeyframeAgents',     middlewares: [authGuard]},
 ]                                                                 
 
 export const methods = {
+
+    async listKeyframes(req, res) {
+        const[isOk, payload, errors] = this.utils.validateMapObject(req.body,
+        {            
+            'kfId':  ((val, obj) => ( (typeof(val)=='undefined') || (this.utils.isValidUUIDV7(val)) ) ),
+            'prevKfId':  ((val, obj) => ( (val===null) || (typeof(val)=='undefined') || (this.utils.isValidUUIDV7(val)) ) ),
+        },
+        {
+            'kfId': 'kfId',
+            'prevKfId': 'prevKfId',
+        })
+        if(!isOk){
+            this.err(req, res,`Cannot filter on these criteria ! `,  `Validations errors for listing KF : ${errors.join(', ')}`, 400) 
+            return
+        }  
+
+        const conditions = []
+        const params = []
+
+        if (payload.kfid !== undefined) {
+            conditions.push('ekf_uuid = UUID_TO_BIN(?)')
+            params.push(kfid)
+        }
+
+        if(payload.prevKfId !== undefined) {
+            if(payload.prevKfId === null) {
+                conditions.push('ekf_prev_uuid IS NULL')
+            } else {
+                conditions.push('ekf_prev_uuid = UUID_TO_BIN(?)')
+                params.push(payload.prevKfId)
+            }
+        }
+        const whereClause = conditions.length ? 'WHERE ' + conditions.join(' AND ') : ''
+
+        const results = await this.db.execute(`
+            SELECT BIN_TO_UUID(ekf_uuid) AS ekf_uuid, ekf_name, BIN_TO_UUID(ekf_prev_uuid) AS ekf_prev_uuid
+            FROM p42SIM.edited_keyframes ${whereClause}`, params)
+
+        this.ok(req, res, results)
+    },
+
     async createKeyframe(req, res) {
         const[isOk, payload, errors] = this.utils.validateMapObject(req.body,
         {            
@@ -55,13 +97,17 @@ export const methods = {
             return
         }
 
-        await this.db.execute(`
+        const [result] = await this.db.execute(`
                 UPDATE p42SIM.edited_keyframes 
                 SET ekf_name = ?
                 WHERE (ekf_uuid = ?)`, 
         [payload.kfName, UUID.parse(kfid).bytes])
-        
-        this.ok(req, res, { kfId: kfid })
+
+        if (result.affectedRows === 0) {
+            this.err(req, res,`Cannot rename this keyframe ! `,  `Non-existin kfId: (${UUID.parse(kfid).toString()})`, 400) 
+        } else {
+            this.ok(req, res, { kfId: kfid })
+        }
     },
 
     async saveKeyframeAgents(req, res) {