osm data

2025-12-11 06:46:47 +00:00 · 2023-01-28 21:48:20 +01:00
parent b9f3f0ba7b
commit 9f153e7630
23 changed files with 441 additions and 19 deletions
--- a/app/Http/Livewire/Meetup/PrepareForBtcMapItem.php
+++ b/app/Http/Livewire/Meetup/PrepareForBtcMapItem.php
@@ -0,0 +1,114 @@
+<?php
+
+namespace App\Http\Livewire\Meetup;
+
+use App\Models\Meetup;
+use Illuminate\Support\Facades\Http;
+use Illuminate\Support\Facades\Storage;
+use Livewire\Component;
+
+class PrepareForBtcMapItem extends Component
+{
+    public Meetup $meetup;
+
+    public $wikipediaSearchResults;
+    public $osmSearchResults;
+    public $osmSearchResultsState;
+
+    public $selectedItem;
+
+    public function mount()
+    {
+        $response = Http::acceptJson()
+                        ->get(
+                            'https://nominatim.openstreetmap.org/search?city='.$this->meetup->city->name.'&format=json&polygon_geojson=1'
+                        );
+        $this->osmSearchResults = $response->json();
+
+        $response = Http::acceptJson()
+                        ->get(
+                            'https://nominatim.openstreetmap.org/search?state='.$this->meetup->city->name.'&format=json&polygon_geojson=1'
+                        );
+        $this->osmSearchResultsState = $response->json();
+
+        if ($this->meetup->city->osm_relation) {
+            $this->selectedItem = $this->meetup->city->osm_relation;
+
+            $wikipediaUrl = 'https://query.wikidata.org/sparql?query=SELECT%20%3Fpopulation%20WHERE%20%7B%0A%20%20SERVICE%20wikibase%3Amwapi%20%7B%0A%20%20%20%20%20%20bd%3AserviceParam%20mwapi%3Asearch%20%22'.urlencode($this->meetup->city->name).'%22%20.%20%20%20%20%0A%20%20%20%20%20%20bd%3AserviceParam%20mwapi%3Alanguage%20%22en%22%20.%20%20%20%20%0A%20%20%20%20%20%20bd%3AserviceParam%20wikibase%3Aapi%20%22EntitySearch%22%20.%0A%20%20%20%20%20%20bd%3AserviceParam%20wikibase%3Aendpoint%20%22www.wikidata.org%22%20.%0A%20%20%20%20%20%20bd%3AserviceParam%20wikibase%3Alimit%201%20.%0A%20%20%20%20%20%20%3Fitem%20wikibase%3AapiOutputItem%20mwapi%3Aitem%20.%0A%20%20%7D%0A%20%20%3Fitem%20wdt%3AP1082%20%3Fpopulation%0A%7D';
+            $response = Http::acceptJson()
+                            ->get(
+                                $wikipediaUrl
+                            );
+            $this->wikipediaSearchResults = $response->json();
+        }
+    }
+
+    public function selectItem($index, bool $isState = false)
+    {
+        if ($isState) {
+            $this->selectedItem = $this->osmSearchResultsState[$index];
+        } else {
+            $this->selectedItem = $this->osmSearchResults[$index];
+        }
+        Storage::disk('geo')
+               ->put('geojson_'.$this->selectedItem['osm_id'].'.json',
+                   json_encode($this->selectedItem['geojson'], JSON_THROW_ON_ERROR));
+        $input = storage_path('app/geo/geojson_'.$this->selectedItem['osm_id'].'.json');
+        $output = storage_path('app/geo/output_'.$this->selectedItem['osm_id'].'.json');
+        exec('mapshaper '.$input.' -simplify dp 4% -o '.$output);
+        Storage::disk('geo')
+               ->put(
+                   'trimmed_'.$this->selectedItem['osm_id'].'.json',
+                   str(Storage::disk('geo')
+                              ->get('output_'.$this->selectedItem['osm_id'].'.json'))
+                       ->after('{"type":"GeometryCollection", "geometries": [')
+                       ->beforeLast(']}')
+                       ->toString()
+               );
+        $this->meetup->city->osm_relation = $this->selectedItem;
+        $this->meetup->city->simplified_geojson = json_decode(trim(Storage::disk('geo')
+                                                                          ->get('trimmed_'.$this->selectedItem['osm_id'].'.json')),
+            false, 512, JSON_THROW_ON_ERROR);
+        $this->meetup->city->population = 0;
+        $this->meetup->city->population_date = date('Y');
+        $this->meetup->city->save();
+
+        return to_route('osm.meetups.item', ['meetup' => $this->meetup]);
+    }
+
+    public function setPercent($percent)
+    {
+        $input = storage_path('app/geo/geojson_'.$this->selectedItem['osm_id'].'.json');
+        $output = storage_path('app/geo/output_'.$this->selectedItem['osm_id'].'.json');
+        exec('mapshaper '.$input.' -simplify dp '.$percent.'% -o '.$output);
+        Storage::disk('geo')
+               ->put(
+                   'trimmed_'.$this->selectedItem['osm_id'].'.json',
+                   str(Storage::disk('geo')
+                              ->get('output_'.$this->selectedItem['osm_id'].'.json'))
+                       ->after('{"type":"GeometryCollection", "geometries": [')
+                       ->beforeLast(']}')
+                       ->toString()
+               );
+        $this->meetup->city->simplified_geojson = json_decode(trim(Storage::disk('geo')
+                                                                          ->get('trimmed_'.$this->selectedItem['osm_id'].'.json')),
+            false, 512, JSON_THROW_ON_ERROR);
+        $this->meetup->city->save();
+
+        return to_route('osm.meetups.item', ['meetup' => $this->meetup]);
+    }
+
+    public function takePop($value)
+    {
+        $this->meetup->city->population = $value;
+        $this->meetup->city->population_date = date('Y');
+        $this->meetup->city->save();
+
+        return to_route('osm.meetups.item', ['meetup' => $this->meetup]);
+    }
+
+    public function render()
+    {
+        return view('livewire.meetup.prepare-for-btc-map-item');
+    }
+}
--- a/app/Http/Livewire/Meetup/PrepareForBtcMapTable.php
+++ b/app/Http/Livewire/Meetup/PrepareForBtcMapTable.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Http\Livewire\Meetup;
+
+use Livewire\Component;
+
+class PrepareForBtcMapTable extends Component
+{
+    public function render()
+    {
+        return view('livewire.meetup.prepare-for-btc-map-table');
+    }
+}