add cohort and filter models

server/api/models/cohort.js

@@ -0,0 +1,27 @@
+const { Model, DataTypes } = require('sequelize')
+const sequelize = require('./index').sequelize
+
+class Cohort extends Model {}
+
+Cohort.init({
+  id: {
+    type: DataTypes.INTEGER,
+    autoIncrement: true,
+    primaryKey: true,
+  },
+  name: {
+    type: DataTypes.STRING,
+    unique: true,
+    index: true,
+    allowNull: false
+  },
+  isActor: {
+    type: DataTypes.BOOLEAN
+  },
+  isTop: {
+    type: DataTypes.BOOLEAN
+  }
+}, { sequelize, modelName: 'cohort', timestamps: false })
+
+
+module.exports = Cohort

server/api/models/filter.js

@@ -0,0 +1,31 @@
+const { Model, DataTypes } = require('sequelize')
+const sequelize = require('./index').sequelize
+
+class Filter extends Model {}
+
+Filter.init({
+  id: {
+    type: DataTypes.INTEGER,
+    primaryKey: true,
+    autoIncrement: true,
+  },
+  cohortId: {
+    type: DataTypes.INTEGER,
+    allowNull: true,
+    references: {
+      model: 'cohorts',
+      key: 'id'
+    },
+    onUpdate: 'CASCADE',
+    onDelete: 'SET NULL'
+  },
+  tags: {
+    type: DataTypes.JSON,
+  },
+  places: {
+    type: DataTypes.JSON,
+  }
+}, { sequelize, modelName: 'filter', timestamps: false })
+
+
+module.exports = Filter