feat: add preset in server

api/models/Preset.js

@@ -0,0 +1,46 @@
+const Preset = require('./schema/presetSchema');
+
+const getPreset = async (user, presetId) => {
+  try {
+    return await Preset.findOne({ user, presetId }).exec();
+  } catch (error) {
+    console.log(error);
+    return { message: 'Error getting single preset' };
+  }
+};
+
+module.exports = {
+  Preset,
+  getPreset,
+  getPresets: async (user, filter) => {
+    try {
+      return await Preset.find({ ...filter, user }).exec();
+    } catch (error) {
+      console.log(error);
+      return { message: 'Error retriving presets' };
+    }
+  },
+  savePreset: async (user, { presetId, newPresetId, ...preset }) => {
+    try {
+      const update = { presetId, ...preset };
+      if (newPresetId) {
+        update.presetId = newPresetId;
+      }
+
+      return await Preset.findOneAndUpdate(
+        { presetId, user },
+        { $set: update },
+        { new: true, upsert: true }
+      ).exec();
+    } catch (error) {
+      console.log(error);
+      return { message: 'Error saving preset' };
+    }
+  },
+  deletePresets: async (user, filter) => {
+    let toRemove = await Preset.find({ ...filter, user }).select('presetId');
+    const ids = toRemove.map(instance => instance.presetId);
+    let deleteCount = await Preset.deleteMany({ ...filter, user }).exec();
+    return deleteCount;
+  }
+};