433 lines
12 KiB
PHP
433 lines
12 KiB
PHP
<?php
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namespace App;
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use Cache;
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use Twitter;
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use Normalizer;
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use GuzzleHttp\Client;
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use Laravel\Scout\Searchable;
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use League\CommonMark\Converter;
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use League\CommonMark\DocParser;
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use Jonnybarnes\IndieWeb\Numbers;
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use League\CommonMark\Environment;
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use League\CommonMark\HtmlRenderer;
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use Illuminate\Database\Eloquent\Model;
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use Jonnybarnes\EmojiA11y\EmojiModifier;
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use League\CommonMark\CommonMarkConverter;
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use Illuminate\Database\Eloquent\SoftDeletes;
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use Jonnybarnes\CommonmarkLinkify\LinkifyExtension;
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use Illuminate\Database\Eloquent\ModelNotFoundException;
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class Note extends Model
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{
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use Searchable;
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use SoftDeletes;
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/**
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* The database table used by the model.
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*
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* @var string
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*/
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protected $table = 'notes';
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/**
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* Define the relationship with tags.
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*
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* @var array
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*/
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public function tags()
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{
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return $this->belongsToMany('App\Tag');
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}
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/**
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* Define the relationship with clients.
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*
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* @var array?
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*/
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public function client()
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{
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return $this->belongsTo('App\MicropubClient', 'client_id', 'client_url');
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}
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/**
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* Define the relationship with webmentions.
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*
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* @var array
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*/
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public function webmentions()
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{
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return $this->morphMany('App\WebMention', 'commentable');
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}
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/**
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* Definte the relationship with places.
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*
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* @var array
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*/
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public function place()
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{
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return $this->belongsTo('App\Place');
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}
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/**
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* Define the relationship with media.
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*
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* @return void
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*/
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public function media()
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{
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return $this->hasMany('App\Media');
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}
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/**
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* We shall set a blacklist of non-modifiable model attributes.
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*
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* @var array
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*/
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protected $guarded = ['id'];
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/**
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* Hide the column used with Laravel Scout.
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*
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* @var array
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*/
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protected $hidden = ['searchable'];
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/**
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* The attributes that should be mutated to dates.
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*
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* @var array
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*/
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protected $dates = ['deleted_at'];
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/**
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* Set the attributes to be indexed for searching with Scout.
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*
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* @return array
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*/
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public function toSearchableArray()
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{
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return [
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'note' => $this->note,
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];
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}
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/**
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* Normalize the note to Unicode FORM C.
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*
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* @param string $value
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* @return string
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*/
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public function setNoteAttribute($value)
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{
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$this->attributes['note'] = normalizer_normalize($value, Normalizer::FORM_C);
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}
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/**
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* Pre-process notes for web-view.
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*
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* @param string
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* @return string
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*/
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public function getNoteAttribute($value)
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{
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$environment = Environment::createCommonMarkEnvironment();
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$environment->addExtension(new LinkifyExtension());
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$converter = new Converter(new DocParser($environment), new HtmlRenderer($environment));
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$emoji = new EmojiModifier();
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$html = $converter->convertToHtml($value);
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$hcards = $this->makeHCards($html);
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$hashtags = $this->autoLinkHashtag($hcards);
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$modified = $emoji->makeEmojiAccessible($hashtags);
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return $modified;
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}
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/**
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* Generate the NewBase60 ID from primary ID.
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*
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* @return string
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*/
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public function getNb60idAttribute()
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{
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$numbers = new Numbers();
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return $numbers->numto60($this->id);
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}
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/**
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* The Long URL for a note.
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*
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* @return string
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*/
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public function getLongurlAttribute()
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{
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return config('app.url') . '/notes/' . $this->nb60id;
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}
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/**
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* The Short URL for a note.
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*
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* @return string
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*/
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public function getShorturlAttribute()
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{
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return config('app.shorturl') . '/notes/' . $this->nb60id;
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}
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/**
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* Get the ISO8601 value for mf2.
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*
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* @return string
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*/
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public function getIso8601Attribute()
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{
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return $this->updated_at->toISO8601String();
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}
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/**
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* Get the ISO8601 value for mf2.
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*
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* @return string
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*/
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public function getHumandiffAttribute()
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{
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return $this->updated_at->diffForHumans();
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}
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/**
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* Get the pubdate value for RSS feeds.
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*
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* @return string
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*/
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public function getPubdateAttribute()
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{
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return $this->updated_at->toRSSString();
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}
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/**
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* Get the latitude value.
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*
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* @return string|null
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*/
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public function getLatitudeAttribute()
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{
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if ($this->place !== null) {
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$lnglat = explode(' ', $this->place->location);
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return $lnglat[1];
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}
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if ($this->location !== null) {
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$pieces = explode(':', $this->location);
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$latlng = explode(',', $pieces[0]);
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return trim($latlng[0]);
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}
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}
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/**
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* Get the longitude value.
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*
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* @return string|null
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*/
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public function getLongitudeAttribute()
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{
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if ($this->place !== null) {
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$lnglat = explode(' ', $this->place->location);
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return $lnglat[1];
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}
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if ($this->location !== null) {
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$pieces = explode(':', $this->location);
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$latlng = explode(',', $pieces[0]);
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return trim($latlng[1]);
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}
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}
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/**
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* Get the address for a note. This is either a reverse geo-code from the
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* location, or is derived from the associated place.
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*
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* @return string|null
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*/
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public function getAddressAttribute()
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{
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if ($this->place !== null) {
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return $this->place->name;
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}
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if ($this->location !== null) {
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return $this->reverseGeoCode((float) $this->latitude, (float) $this->longitude);
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}
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}
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public function getTwitterAttribute()
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{
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if ($this->in_reply_to == null || mb_substr($this->in_reply_to, 0, 20, 'UTF-8') !== 'https://twitter.com/') {
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return;
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}
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$arr = explode('/', $url);
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$tweetId = end($arr);
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if (Cache::has($tweetId)) {
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return Cache::get($tweetId);
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}
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try {
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$oEmbed = Twitter::getOembed([
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'id' => $tweetId,
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'align' => 'center',
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'omit_script' => true,
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'maxwidth' => 550,
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]);
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} catch (\Exception $e) {
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return;
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}
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Cache::put($tweetId, $oEmbed, ($oEmbed->cache_age / 60));
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return $oEmbed;
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}
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/**
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* Scope a query to select a note via a NewBase60 id.
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*
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* @param \Illuminate\Database\Eloquent\Builder $query
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* @param string $nb60id
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* @return \Illuminate\Database\Eloquent\Builder
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*/
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public function scopeNb60($query, $nb60id)
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{
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$numbers = new Numbers();
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return $query->where('id', $numbers->b60tonum($nb60id));
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}
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/**
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* Take note that this method does two things, given @username (NOT [@username](URL)!)
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* we try to create a fancy hcard from our contact info. If this is not possible
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* due to lack of contact info, we assume @username is a twitter handle and link it
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* as such.
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*
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* @param string The note’s text
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* @return string
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*/
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private function makeHCards($text)
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{
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$regex = '/\[.*?\](*SKIP)(*F)|@(\w+)/'; //match @alice but not [@bob](...)
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$hcards = preg_replace_callback(
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$regex,
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function ($matches) {
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try {
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$contact = Contact::where('nick', '=', mb_strtolower($matches[1]))->firstOrFail();
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} catch (ModelNotFoundException $e) {
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//assume its an actual twitter handle
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return '<a href="https://twitter.com/' . $matches[1] . '">' . $matches[0] . '</a>';
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}
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$host = parse_url($contact->homepage, PHP_URL_HOST);
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$contact->photo = (file_exists(public_path() . '/assets/profile-images/' . $host . '/image')) ?
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'/assets/profile-images/' . $host . '/image'
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:
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'/assets/profile-images/default-image';
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return trim(view('templates.mini-hcard', ['contact' => $contact])->render());
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},
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$text
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);
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return $hcards;
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}
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/**
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* Given a string and section, finds all hashtags matching
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* `#[\-_a-zA-Z0-9]+` and wraps them in an `a` element with
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* `rel=tag` set and a `href` of 'section/tagged/' + tagname without the #.
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*
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* @param string The note
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* @return string
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*/
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private function autoLinkHashtag($text)
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{
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// $replacements = ["#tag" => "<a rel="tag" href="/tags/tag">#tag</a>]
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$replacements = [];
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$matches = [];
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if (preg_match_all('/(?<=^|\s)\#([a-zA-Z0-9\-\_]+)/i', $text, $matches, PREG_PATTERN_ORDER)) {
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// Look up #tags, get Full name and URL
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foreach ($matches[0] as $name) {
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$name = str_replace('#', '', $name);
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$replacements[$name] =
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'<a rel="tag" class="p-category" href="/notes/tagged/'
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. Tag::normalizeTag($name)
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. '">#'
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. $name
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. '</a>';
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}
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// Replace #tags with valid microformat-enabled link
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foreach ($replacements as $name => $replacement) {
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$text = str_replace('#' . $name, $replacement, $text);
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}
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}
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return $text;
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}
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/**
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* Do a reverse geocode lookup of a `lat,lng` value.
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*
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* @param float The latitude
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* @param float The longitude
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* @return string The location HTML
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*/
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public function reverseGeoCode(float $latitude, float $longitude): string
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{
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$latlng = $latitude . ',' . $longitude;
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return Cache::get($latlng, function () use ($latlng, $latitude, $longitude) {
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$guzzle = new Client();
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$response = $guzzle->request('GET', 'https://nominatim.openstreetmap.org/reverse', [
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'query' => [
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'format' => 'json',
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'lat' => $latitude,
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'lon' => $longitude,
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'zoom' => 18,
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'addressdetails' => 1,
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],
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'headers' => ['User-Agent' => 'jonnybarnes.uk via Guzzle, email jonny@jonnybarnes.uk'],
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]);
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$json = json_decode($response->getBody());
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if (isset($json->address->town)) {
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$address = '<span class="p-locality">'
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. $json->address->town
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. '</span>, <span class="p-country-name">'
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. $json->address->country
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. '</span>';
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Cache::forever($latlng, $address);
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return $address;
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}
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if (isset($json->address->city)) {
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$address = $json->address->city . ', ' . $json->address->country;
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Cache::forever($latlng, $address);
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return $address;
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}
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if (isset($json->address->county)) {
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$address = '<span class="p-region">'
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. $json->address->county
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. '</span>, <span class="p-country-name">'
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. $json->address->country
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. '</span>';
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Cache::forever($latlng, $address);
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return $address;
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}
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$adress = '<span class="p-country-name">' . $json->address->country . '</span>';
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Cache::forever($latlng, $address);
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return $address;
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});
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}
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}
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