Merge pull request #204 from jonnybarnes/remove_postgis_step_1

Allow postgis location data to be copied to float columns

app/Console/Commands/MigratePlaceDataFromPostgis.php

@@ -0,0 +1,84 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Models\Place;
+use Illuminate\Console\Command;
+use Illuminate\Support\Facades\DB;
+
+class MigratePlaceDataFromPostgis extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'places:migratefrompostgis';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Copy Postgis data to normal latitude longitude fields';
+
+    /**
+     * Create a new command instance.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        parent::__construct();
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return int
+     */
+    public function handle()
+    {
+        $locationColumn = DB::selectOne(DB::raw("
+            SELECT EXISTS (
+                SELECT 1
+                FROM information_schema.columns
+                WHERE table_name = 'places'
+                AND column_name = 'location'
+            )
+        "));
+
+        if (! $locationColumn->exists) {
+            $this->info('There is no Postgis location data in the table. Exiting.');
+
+            return 0;
+        }
+
+        $latitudeColumn = DB::selectOne(DB::raw("
+            SELECT EXISTS (
+                SELECT 1
+                FROM information_schema.columns
+                WHERE table_name = 'places'
+                AND column_name = 'latitude'
+            )
+        "));
+
+        if (! $latitudeColumn->exists) {
+            $this->error('Latitude and longitude columns have not been created yet');
+
+            return 1;
+        }
+
+        $places = Place::all();
+
+        $places->each(function ($place) {
+            $this->info('Extracting Postgis data for place: ' . $place->name);
+
+            $place->latitude = $place->location->getLat();
+            $place->longitude = $place->location->getLng();
+            $place->save();
+        });
+
+        return 0;
+    }
+}

database/migrations/2020_10_10_191546_add_latitude-longitude_columns.php

@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddLatitudeLongitudeColumns extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('places', function (Blueprint $table) {
+            $table->float('latitude')->nullable();
+            $table->float('longitude')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('places', function (Blueprint $table) {
+            $table->dropColumn('latitude');
+            $table->dropColumn('longitude');
+        });
+    }
+}