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| 1 | <?php |
| 2 | |
| 3 | namespace Olz\News\Utils; |
| 4 | |
| 5 | use Doctrine\Common\Collections\Criteria; |
| 6 | use Doctrine\Common\Collections\Expr\Comparison; |
| 7 | use Olz\Utils\WithUtilsTrait; |
| 8 | |
| 9 | /** |
| 10 | * @phpstan-type Option array{ident: string, name: string, icon?: string} |
| 11 | * @phpstan-type UiOption array{selected: bool, new_filter: FullFilter, name: string, icon?: ?string, ident: string} |
| 12 | * @phpstan-type FullFilter array{format: string, datum: string, archiv: string} |
| 13 | * @phpstan-type PartialFilter array{format?: string, datum?: string, archiv?: string} |
| 14 | */ |
| 15 | class NewsFilterUtils { |
| 16 | use WithUtilsTrait; |
| 17 | |
| 18 | public const ARCHIVE_YEARS_THRESHOLD = 4; |
| 19 | |
| 20 | public const ALL_FORMAT_OPTIONS = [ |
| 21 | ['ident' => 'alle', 'name' => "Alle"], |
| 22 | ['ident' => 'aktuell', 'name' => "Aktuell", 'icon' => 'entry_type_aktuell_20.svg'], |
| 23 | ['ident' => 'kaderblog', 'name' => "Kaderblog", 'icon' => 'entry_type_kaderblog_20.svg'], |
| 24 | ['ident' => 'forum', 'name' => "Forum", 'icon' => 'entry_type_forum_20.svg'], |
| 25 | ['ident' => 'galerie', 'name' => "Galerien", 'icon' => 'entry_type_gallery_20.svg'], |
| 26 | ['ident' => 'video', 'name' => "Videos", 'icon' => 'entry_type_movie_20.svg'], |
| 27 | ]; |
| 28 | |
| 29 | public const ALL_ARCHIVE_OPTIONS = [ |
| 30 | ['ident' => 'ohne', 'name' => "ohne Archiv"], |
| 31 | ['ident' => 'mit', 'name' => "mit Archiv"], |
| 32 | ]; |
| 33 | |
| 34 | /** @return FullFilter */ |
| 35 | public function getDefaultFilter(): array { |
| 36 | $current_year = intval($this->dateUtils()->getCurrentDateInFormat('Y')); |
| 37 | return [ |
| 38 | 'format' => 'alle', |
| 39 | 'datum' => strval($current_year), |
| 40 | 'archiv' => 'ohne', |
| 41 | ]; |
| 42 | } |
| 43 | |
| 44 | /** @param ?PartialFilter $filter */ |
| 45 | public function isValidFilter(?array $filter): bool { |
| 46 | $has_correct_format = ( |
| 47 | isset($filter['format']) |
| 48 | && array_filter( |
| 49 | NewsFilterUtils::ALL_FORMAT_OPTIONS, |
| 50 | function ($format_option) use ($filter) { |
| 51 | return $format_option['ident'] === $filter['format']; |
| 52 | } |
| 53 | ) |
| 54 | ); |
| 55 | $has_correct_date_range = ( |
| 56 | isset($filter['datum']) |
| 57 | && array_filter( |
| 58 | $this->getDateRangeOptions([...$this->getDefaultFilter(), ...$filter]), |
| 59 | function ($date_option) use ($filter) { |
| 60 | return $date_option['ident'] === $filter['datum']; |
| 61 | } |
| 62 | ) |
| 63 | ); |
| 64 | $has_correct_archive = ( |
| 65 | isset($filter['archiv']) |
| 66 | && array_filter( |
| 67 | NewsFilterUtils::ALL_ARCHIVE_OPTIONS, |
| 68 | function ($archive_option) use ($filter) { |
| 69 | return $archive_option['ident'] === $filter['archiv']; |
| 70 | } |
| 71 | ) |
| 72 | ); |
| 73 | return $has_correct_format && $has_correct_date_range && $has_correct_archive; |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * @param ?PartialFilter $filter |
| 78 | * |
| 79 | * @return FullFilter |
| 80 | */ |
| 81 | public function getValidFilter(?array $filter): array { |
| 82 | $default_filter = $this->getDefaultFilter(); |
| 83 | if (!$filter) { |
| 84 | return $default_filter; |
| 85 | } |
| 86 | $merged_filter = [ |
| 87 | 'format' => $filter['format'] ?? $default_filter['format'], |
| 88 | 'datum' => $filter['datum'] ?? $default_filter['datum'], |
| 89 | 'archiv' => $filter['archiv'] ?? $default_filter['archiv'], |
| 90 | ]; |
| 91 | return $this->isValidFilter($merged_filter) ? $merged_filter : $default_filter; |
| 92 | } |
| 93 | |
| 94 | /** @return array<FullFilter> */ |
| 95 | public function getAllValidFiltersForSitemap(): array { |
| 96 | $all_valid_filters = []; |
| 97 | foreach (NewsFilterUtils::ALL_FORMAT_OPTIONS as $format_option) { |
| 98 | $date_range_options = $this->getDateRangeOptions($this->getValidFilter(['archiv' => 'ohne'])); |
| 99 | foreach ($date_range_options as $date_range_option) { |
| 100 | $all_valid_filters[] = [ |
| 101 | 'format' => $format_option['ident'], |
| 102 | 'datum' => $date_range_option['ident'], |
| 103 | 'archiv' => 'ohne', |
| 104 | ]; |
| 105 | } |
| 106 | } |
| 107 | return $all_valid_filters; |
| 108 | } |
| 109 | |
| 110 | /** |
| 111 | * @param FullFilter $filter |
| 112 | * |
| 113 | * @return array<UiOption> |
| 114 | */ |
| 115 | public function getUiFormatFilterOptions(array $filter): array { |
| 116 | return array_map(function ($format_option) use ($filter) { |
| 117 | $new_filter = $filter; |
| 118 | $new_filter['format'] = $format_option['ident']; |
| 119 | return [ |
| 120 | 'selected' => $format_option['ident'] === $filter['format'], |
| 121 | 'new_filter' => $new_filter, |
| 122 | 'name' => $format_option['name'], |
| 123 | 'icon' => $format_option['icon'] ?? null, |
| 124 | 'ident' => $format_option['ident'], |
| 125 | ]; |
| 126 | }, NewsFilterUtils::ALL_FORMAT_OPTIONS); |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * @param FullFilter $filter |
| 131 | * |
| 132 | * @return array<UiOption> |
| 133 | */ |
| 134 | public function getUiDateRangeFilterOptions(array $filter): array { |
| 135 | return array_map(function ($date_range_option) use ($filter) { |
| 136 | $new_filter = $filter; |
| 137 | $new_filter['datum'] = $date_range_option['ident']; |
| 138 | return [ |
| 139 | 'selected' => $date_range_option['ident'] === $filter['datum'], |
| 140 | 'new_filter' => $new_filter, |
| 141 | 'name' => $date_range_option['name'], |
| 142 | 'ident' => $date_range_option['ident'], |
| 143 | ]; |
| 144 | }, $this->getDateRangeOptions($filter)); |
| 145 | } |
| 146 | |
| 147 | /** |
| 148 | * @param FullFilter $filter |
| 149 | * |
| 150 | * @return array<UiOption> |
| 151 | */ |
| 152 | public function getUiArchiveFilterOptions(array $filter): array { |
| 153 | return array_map(function ($archive_option) use ($filter) { |
| 154 | $new_filter = $filter; |
| 155 | $new_filter['archiv'] = $archive_option['ident']; |
| 156 | return [ |
| 157 | 'selected' => $archive_option['ident'] === $filter['archiv'], |
| 158 | 'new_filter' => $new_filter, |
| 159 | 'name' => $archive_option['name'], |
| 160 | 'ident' => $archive_option['ident'], |
| 161 | ]; |
| 162 | }, NewsFilterUtils::ALL_ARCHIVE_OPTIONS); |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * @param FullFilter $filter |
| 167 | * |
| 168 | * @return array<Option> |
| 169 | */ |
| 170 | public function getDateRangeOptions(array $filter): array { |
| 171 | $include_archive = $filter['archiv'] === 'mit'; |
| 172 | $current_year = intval($this->dateUtils()->getCurrentDateInFormat('Y')); |
| 173 | $first_year = $include_archive ? 2006 : $current_year - NewsFilterUtils::ARCHIVE_YEARS_THRESHOLD; |
| 174 | $options = []; |
| 175 | for ($year = $current_year; $year >= $first_year; $year--) { |
| 176 | $year_ident = strval($year); |
| 177 | $options[] = ['ident' => $year_ident, 'name' => $year_ident]; |
| 178 | } |
| 179 | return $options; |
| 180 | } |
| 181 | |
| 182 | /** @param FullFilter $filter */ |
| 183 | public function getSqlFromFilter(array $filter): string { |
| 184 | if (!$this->isValidFilter($filter)) { |
| 185 | return "'1'='0'"; |
| 186 | } |
| 187 | $date_range_filter = $this->getSqlDateRangeFilter($filter); |
| 188 | $format_filter = $this->getSqlFormatFilter($filter); |
| 189 | return "({$date_range_filter}) AND ({$format_filter})"; |
| 190 | } |
| 191 | |
| 192 | /** @param FullFilter $filter */ |
| 193 | private function getSqlDateRangeFilter(array $filter): string { |
| 194 | $today = $this->dateUtils()->getIsoToday(); |
| 195 | if (intval($filter['datum']) > 2000) { |
| 196 | $sane_year = strval(intval($filter['datum'])); |
| 197 | return "YEAR(n.published_date) = '{$sane_year}'"; |
| 198 | } |
| 199 | // @codeCoverageIgnoreStart |
| 200 | // Reason: Should not be reached. |
| 201 | return "'1' = '0'"; // invalid => show nothing |
| 202 | // @codeCoverageIgnoreEnd |
| 203 | } |
| 204 | |
| 205 | /** @param FullFilter $filter */ |
| 206 | private function getSqlFormatFilter(array $filter): string { |
| 207 | if ($filter['format'] === 'alle') { |
| 208 | return "'1' = '1'"; |
| 209 | } |
| 210 | if ($filter['format'] === 'aktuell') { |
| 211 | return "n.format LIKE '%aktuell%'"; |
| 212 | } |
| 213 | if ($filter['format'] === 'kaderblog') { |
| 214 | return "n.format LIKE '%kaderblog%'"; |
| 215 | } |
| 216 | if ($filter['format'] === 'forum') { |
| 217 | return "n.format LIKE '%forum%'"; |
| 218 | } |
| 219 | if ($filter['format'] === 'galerie') { |
| 220 | return "n.format LIKE '%galerie%'"; |
| 221 | } |
| 222 | if ($filter['format'] === 'video') { |
| 223 | return "n.format LIKE '%video%'"; |
| 224 | } |
| 225 | // @codeCoverageIgnoreStart |
| 226 | // Reason: Should not be reached. |
| 227 | return "'1' = '0'"; // invalid => show nothing |
| 228 | // @codeCoverageIgnoreEnd |
| 229 | } |
| 230 | |
| 231 | /** @param FullFilter $filter */ |
| 232 | public function getTitleFromFilter(array $filter): string { |
| 233 | if (!$this->isValidFilter($filter)) { |
| 234 | return "News"; |
| 235 | } |
| 236 | $archive_title_suffix = $this->getArchiveFilterTitleSuffix($filter); |
| 237 | $this_year = $this->dateUtils()->getCurrentDateInFormat('Y'); |
| 238 | if ($filter['datum'] === $this_year) { |
| 239 | $format_title = $this->getPresentFormatFilterTitle($filter); |
| 240 | return "{$format_title}{$archive_title_suffix}"; |
| 241 | } |
| 242 | $format_title = $this->getPastFormatFilterTitle($filter); |
| 243 | if (intval($filter['datum']) > 2000) { |
| 244 | $year = $filter['datum']; |
| 245 | return "{$format_title} {$year}{$archive_title_suffix}"; |
| 246 | } |
| 247 | // @codeCoverageIgnoreStart |
| 248 | // Reason: Should not be reached. |
| 249 | return "Aktuell{$archive_title_suffix}"; |
| 250 | // @codeCoverageIgnoreEnd |
| 251 | } |
| 252 | |
| 253 | /** @param FullFilter $filter */ |
| 254 | private function getPresentFormatFilterTitle(array $filter): string { |
| 255 | if ($filter['format'] === 'aktuell') { |
| 256 | return "Aktuell"; |
| 257 | } |
| 258 | if ($filter['format'] === 'kaderblog') { |
| 259 | return "Kaderblog"; |
| 260 | } |
| 261 | if ($filter['format'] === 'forum') { |
| 262 | return "Forum"; |
| 263 | } |
| 264 | if ($filter['format'] === 'galerie') { |
| 265 | return "Galerien"; |
| 266 | } |
| 267 | if ($filter['format'] === 'video') { |
| 268 | return "Videos"; |
| 269 | } |
| 270 | return "News"; |
| 271 | } |
| 272 | |
| 273 | /** @param FullFilter $filter */ |
| 274 | private function getPastFormatFilterTitle(array $filter): string { |
| 275 | if ($filter['format'] === 'aktuell') { |
| 276 | return "Aktuelles von"; |
| 277 | } |
| 278 | if ($filter['format'] === 'kaderblog') { |
| 279 | return "Kaderblog von"; |
| 280 | } |
| 281 | if ($filter['format'] === 'forum') { |
| 282 | return "Forumseinträge von"; |
| 283 | } |
| 284 | if ($filter['format'] === 'galerie') { |
| 285 | return "Galerien von"; |
| 286 | } |
| 287 | if ($filter['format'] === 'video') { |
| 288 | return "Videos von"; |
| 289 | } |
| 290 | return "News von"; |
| 291 | } |
| 292 | |
| 293 | /** @param FullFilter $filter */ |
| 294 | private function getArchiveFilterTitleSuffix(array $filter): string { |
| 295 | if ($filter['archiv'] === 'mit') { |
| 296 | return " (Archiv)"; |
| 297 | } |
| 298 | return ""; |
| 299 | } |
| 300 | |
| 301 | /** @param PartialFilter $filter */ |
| 302 | public function isFilterNotArchived(array $filter): bool { |
| 303 | $valid_filter = $this->getValidFilter($filter); |
| 304 | return $valid_filter['archiv'] === 'ohne'; |
| 305 | } |
| 306 | |
| 307 | public function getIsNotArchivedCriteria(): Comparison { |
| 308 | $years_ago = intval($this->dateUtils()->getCurrentDateInFormat('Y')) - NewsFilterUtils::ARCHIVE_YEARS_THRESHOLD; |
| 309 | $beginning_of_years_ago = "{$years_ago}-01-01"; |
| 310 | return Criteria::expr()->gte('published_date', new \DateTime($beginning_of_years_ago)); |
| 311 | } |
| 312 | |
| 313 | /** @param PartialFilter $filter */ |
| 314 | public function getUrl(array $filter = []): string { |
| 315 | $code_href = $this->envUtils()->getCodeHref(); |
| 316 | $enc_json_filter = urlencode(json_encode($filter) ?: '{}'); |
| 317 | return "{$code_href}news?filter={$enc_json_filter}"; |
| 318 | } |
| 319 | |
| 320 | public static function fromEnv(): self { |
| 321 | return new self(); |
| 322 | } |
| 323 | } |