add knexfile and first migration file for timeslots table

README.md

@@ -21,64 +21,5 @@ install pg MacOS -
 
 knex for migration files
   npx knex migrate:make create_addresses_table
-  npx knex migrate:latest
-  npx knex migrate:rollback
-
-  npx knex seed:make 01_addresses
-  npx knex seed:run
-
-  npx knex migrate:make create_addresses_table
-  npx knex migrate:latest
-  npx knex migrate:rollback
-
-  npx knex seed:make 01_addresses
-  npx knex seed:run
-
-  npx knex migrate:make create_addresses_table
-  npx knex migrate:latest
-  npx knex migrate:rollback
-
-  npx knex seed:make 01_addresses
-  npx knex seed:run
-
-  npx knex migrate:make create_addresses_table
-  npx knex migrate:latest
-  npx knex migrate:rollback
-
-  npx knex seed:make 01_addresses
-  npx knex seed:run
-
-  npx knex migrate:make create_addresses_table
-  npx knex migrate:latest
-  npx knex migrate:rollback
-
-  npx knex seed:make 01_addresses
-  npx knex seed:run
-
-  npx knex migrate:make create_addresses_table
-  npx knex migrate:latest
-  npx knex migrate:rollback
-
-  npx knex seed:make 01_addresses
-  npx knex seed:run
-
-  npx knex migrate:make create_addresses_table
-  npx knex migrate:latest
-  npx knex migrate:rollback
-
-  npx knex seed:make 01_addresses
-  npx knex seed:run
-
-  npx knex migrate:make create_addresses_table
-  npx knex migrate:latest
-  npx knex migrate:rollback
-
-  npx knex seed:make 01_addresses
-  npx knex seed:run
-
-  npx knex migrate:make create_addresses_table
-  npx knex migrate:latest
-  npx knex migrate:rollback
-
-  npx knex seed:make 01_addresses
-  npx knex seed:run
+  npx knex migrate:latest --env development
+  npx knex migrate:rollback --env development

knexfile.js

@@ -0,0 +1,20 @@
+
+const env = require('dotenv').config();
+
+
+module.exports = {
+  development: {
+    client: 'postgresql',
+    connection: {
+      database: env.parsed.PGDATABASENAME,
+      user:     env.parsed.PGUSER,
+      password: env.parsed.PGPASSWORD
+    },
+    migrations: {
+      directory: './src/migrations'
+    },
+    seeds: {
+      directory: './src/seeds'
+    }
+  }
+}

src/migrations/20230424234230_create_timeslots_table.js

@@ -0,0 +1,13 @@
+exports.up = function(knex) {
+  return knex.schema.createTable('timeslots', function(table) {
+    table.increments('id').primary();
+    table.timestamp('start_time').notNullable();
+    table.timestamp('end_time').notNullable();
+    table.boolean('is_reserved').notNullable().defaultTo(false);
+    table.timestamps(true, true);
+  });
+};
+
+exports.down = function(knex) {
+  return knex.schema.dropTable('timeslots');
+};

src/seed/load-data.js

@@ -0,0 +1,30 @@
+exports.seed = async function(knex) {
+  // Delete all existing data from the tables
+  // check is table exists first
+  const hasTable = await knex.schema.hasTable('timeslots');
+  if (hasTable) {
+    await knex('timeslots').del();
+  }
+  
+
+
+  // Load data from the JSON files
+  const holidays = require('../data/holidays.json');
+  const timeslots = require('../data/timeslots.json');
+
+  // Insert the holiday dates into the holidays table
+  for (const date of holidays) {
+    await knex('holidays').insert({ date });
+  }
+
+  // Insert the time slots into the timeslots table
+  for (const { date, slots } of timeslots) {
+    for (const slot of slots) {
+      await knex('timeslots').insert({
+        date,
+        start_time: slot.start_time,
+        end_time: slot.end_time
+      });
+    }
+  }
+};