feat: Add tasks reordering

Closes #50, closes #232

server/api/helpers/tasks/create-one.js

@@ -2,6 +2,7 @@ module.exports = {
   inputs: {
     values: {
       type: 'json',
+      custom: (value) => _.isPlainObject(value) && _.isFinite(value.position),
       required: true,
     },
     card: {
@@ -14,8 +15,32 @@ module.exports = {
   },
 
   async fn(inputs) {
+    const tasks = await sails.helpers.cards.getTasks(inputs.card.id);
+
+    const { position, repositions } = sails.helpers.utils.insertToPositionables(
+      inputs.values.position,
+      tasks,
+    );
+
+    repositions.forEach(async ({ id, position: nextPosition }) => {
+      await Task.update({
+        id,
+        cardId: inputs.card.id,
+      }).set({
+        position: nextPosition,
+      });
+
+      sails.sockets.broadcast(`board:${inputs.card.boardId}`, 'taskUpdate', {
+        item: {
+          id,
+          position: nextPosition,
+        },
+      });
+    });
+
     const task = await Task.create({
       ...inputs.values,
+      position,
       cardId: inputs.card.id,
     }).fetch();
 

server/api/helpers/tasks/get-many.js

@@ -7,6 +7,6 @@ module.exports = {
   },
 
   async fn(inputs) {
-    return Task.find(inputs.criteria).sort('id');
+    return Task.find(inputs.criteria).sort('position');
   },
 };

server/api/helpers/tasks/update-one.js

@@ -6,6 +6,17 @@ module.exports = {
     },
     values: {
       type: 'json',
+      custom: (value) => {
+        if (!_.isPlainObject(value)) {
+          return false;
+        }
+
+        if (!_.isUndefined(value.position) && !_.isFinite(value.position)) {
+          return false;
+        }
+
+        return true;
+      },
       required: true,
     },
     board: {
@@ -18,6 +29,33 @@ module.exports = {
   },
 
   async fn(inputs) {
+    if (!_.isUndefined(inputs.values.position)) {
+      const tasks = await sails.helpers.cards.getTasks(inputs.record.cardId, inputs.record.id);
+
+      const { position, repositions } = sails.helpers.utils.insertToPositionables(
+        inputs.values.position,
+        tasks,
+      );
+
+      inputs.values.position = position; // eslint-disable-line no-param-reassign
+
+      repositions.forEach(async ({ id, position: nextPosition }) => {
+        await Task.update({
+          id,
+          cardId: inputs.record.cardId,
+        }).set({
+          position: nextPosition,
+        });
+
+        sails.sockets.broadcast(`board:${inputs.board.id}`, 'taskUpdate', {
+          item: {
+            id,
+            position: nextPosition,
+          },
+        });
+      });
+    }
+
     const task = await Task.updateOne(inputs.record.id).set(inputs.values);
 
     if (task) {