wip

source/includes/date-time-wrapper.php

@@ -0,0 +1,33 @@
+<?php
+
+final class DateTimeWrapper {
+  private $dateTime;
+  private $locale;
+  private $timeZone;
+
+  public function __construct(string $text, string $locale = 'en-GB', string $timeZone = 'utc') {
+    if (!$locale) {
+      $locale = 'en-GB';
+    }
+    if (!$timeZone) {
+      $timeZone = 'utc';
+    }
+    $this->dateTime = new DateTime($text);
+    $this->locale = $locale;
+    $this->timeZone = new DateTimeZone($timeZone);
+  }
+
+  public function getShortDate(): string {
+    $formatter = IntlDateFormatter::create($this->locale, IntlDateFormatter::SHORT, IntlDateFormatter::NONE, $this->timeZone);
+    return $formatter->format($this->dateTime);
+  }
+
+  public function getOffset(): string {
+    return $this->timeZone->getOffset($this->dateTime);
+  }
+
+  public function get24Time(): string {
+    $formatter = IntlDateFormatter::create($this->locale, IntlDateFormatter::NONE, IntlDateFormatter::SHORT, $this->timeZone);
+    return $formatter->format($this->dateTime);
+  }
+}

source/includes/events-list-widget.php

@@ -27,12 +27,18 @@ class EventsListWidget extends \WP_Widget {
 
     $classNamePrefix = NAME;
     $eventsCount = $options['eventsCount'];
-    $locale = str_replace('_', '-', get_locale());
+    $locale = str_replace('_', '-', get_locale()); // TODO _ is okay too.
     $groupName = isset($options['groupName']) ? $options['groupName'] : '';
     $url = Settings::getUrl();
     $timeZone = wp_timezone_string();
     $isShortOffsetNameShown = Settings::isShortOffsetNameShown();
 
+    if ($groupName) {
+      $data = GraphQlClient::get_upcoming_events_by_group_name($url, (int) $eventsCount, $groupName); // TODO wrap and put into shortcut as well
+    } else {
+      $data = GraphQlClient::get_upcoming_events($url, (int) $eventsCount);
+    }
+
     require dirname(__DIR__) . '/view/events-list.php';
 
     echo $args['after_widget'];

source/includes/formatter.php

@@ -0,0 +1,40 @@
+<?php
+final class Formatter
+{
+  public static function format_date(string $locale, string $timeZone, string $start, ?string $end, bool $isShortOffsetNameShown): string {
+    $startDateTime = new DateTimeWrapper($start, $locale, $timeZone);
+    $dateText = $startDateTime->getShortDate();
+    $dateText .= ' ' . $startDateTime->get24Time();
+    if (!$end && $isShortOffsetNameShown) {
+      $dateText .= ' (' . $startDateTime->getOffset() . ')';
+    }
+    if ($end) {
+      $endDateTime = new DateTimeWrapper($end, $locale, $timeZone);
+      if ($startDateTime->getShortDate() != $endDateTime->getShortDate()) {
+        $dateText .= ' - ';
+        $dateText .= $endDateTime->getShortDate() . ' ';
+      } else {
+        $dateText .= ' - ';
+      }
+      $dateText .= $endDateTime->get24Time();
+      if ($isShortOffsetNameShown) {
+        $dateText .= ' (' . $endDateTime->getOffset() . ')';
+      }
+    }
+    return $dateText;
+  }
+
+  public static function format_location(string $description, string $locality): string {
+    $location = '';
+    if ($description && trim($description)) {
+      $location .= trim($description);
+    }
+    if ($location && $locality) {
+      $location .= ', ';
+    }
+    if ($locality) {
+      $location .= $locality;
+    }
+    return $location;
+  }
+}

source/includes/graphql-client.php

@@ -0,0 +1,116 @@
+<?php
+namespace MobilizonConnector;
+
+// Exit if this file is called directly.
+if (!defined('ABSPATH')) {
+  exit;
+}
+
+final class GraphQlClient {
+
+  public static function query(string $endpoint, string $query, array $variables = [], ?string $token = null): array
+  {
+    $headers = ['Content-Type: application/json'];
+    if ($token !== null) {
+        $headers[] = "Authorization: bearer $token";
+    }
+
+    $context = stream_context_create([
+        'http' => [
+            'method' => 'POST',
+            'header' => $headers,
+            'content' => json_encode(['query' => $query, 'variables' => $variables]),
+        ]
+      ]);
+    $data = @file_get_contents($endpoint, false, $context);
+
+    if ($data === false) {
+      $error = error_get_last();
+      throw new \ErrorException($error['message'], $error['type']);
+    }
+
+    return json_decode($data, true);
+  }
+
+  public static function get_upcoming_events(string $url, int $limit): array {
+    $query = <<<'GRAPHQL'
+      query ($limit: Int) {
+        events(limit: $limit) {
+          elements {
+            id,
+            title,
+            url,
+            beginsOn,
+            endsOn,
+            physicalAddress {
+              description,
+              locality
+            }
+          },
+          total
+        }
+      }
+      GRAPHQL;
+
+    $endpoint = $url . '/api';
+    // const dataInCache = SessionCache.get(sessionStorage, {
+    //   url,
+    //   query,
+    //   variables: { limit },
+    // })
+    // if (dataInCache !== null) {
+    //   return Promise.resolve(dataInCache)
+    // }
+    $data = self::query($endpoint, $query, ['limit' => $limit]);
+      // SessionCache.add(sessionStorage, { url, query, variables: { limit } }, data)
+    return $data;
+  }
+
+  public static function get_upcoming_events_by_group_name(string $url, int $limit, string $groupName): array {
+    $query = <<<'GRAPHQL'
+      query ($afterDatetime: DateTime, $groupName: String, $limit: Int) {
+        group(preferredUsername: $groupName) {
+          organizedEvents(afterDatetime: $afterDatetime, limit: $limit) {
+            elements {
+              id,
+              title,
+              url,
+              beginsOn,
+              endsOn,
+              physicalAddress {
+                description,
+                locality
+              }
+            },
+            total
+          }
+        }
+      }
+      GRAPHQL;
+
+    $endpoint = $url . '/api';
+
+    // const afterDatetime = DateTimeWrapper.getCurrentDatetimeAsString()
+    // const dataInCache = SessionCache.get(sessionStorage, {
+    //   url,
+    //   query,
+    //   variables: { afterDatetime, groupName, limit },
+    // })
+    // if (dataInCache !== null) {
+    //   return Promise.resolve(dataInCache)
+    // }
+    $afterDatetime = date(DateTime::ISO8601);
+    $data = self::query($endpoint, $query, ['afterDatetime'=> $afterDatetime, 'groupName' => $groupName, 'limit' => $limit]);
+    // return request(url, query, { afterDatetime, groupName, limit }).then(
+    //   (data) => {
+    //     SessionCache.add(
+    //       sessionStorage,
+    //       { url, query, variables: { afterDatetime, groupName, limit } },
+    //       data
+    //     )
+    //     return Promise.resolve(data)
+    //   }
+    // )
+    return $data;
+  }
+}