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Personal Code: Logic for Keep Track Show All page
My biggest achievement with this block of code was with the sorting. Sorting (and one level of sub-sorting) on related tables, for me, was tricky. But I managed to figure out the sorting callback for 2 different scenarios, particularly the blocks at lines 167 and 183. It took some days to figure this out... advanced documentation was non-existent in Laravel, but the Laravel (sort) code, the PHP docs, and Google/Stack Overflow helped a lot.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,259 @@ | ||
| <?php | ||
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| namespace App\Http\Controllers; | ||
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| // ... // | ||
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| class ItemsController extends Controller | ||
| { | ||
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| protected $ratingFactors = [ '[1-2]', '[1-3]', '[1-4]', '[1-5]', '[1-10]', '[1-20]', '[1-25]', '[1-50]', '[1-100]' ]; | ||
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| public function index($pathId) | ||
| { | ||
| $curUser = $this->getUserLogged(); | ||
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| // ... // | ||
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| $orderCol = Request::input('order'); // [value] from '?col=value' or 'null' | ||
| $orderDir = Request::input('dir'); | ||
| $pageCur = Request::input('page'); | ||
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| // Check and convert filter querystring | ||
| // | ||
| $attrArray = ['type', 'status', 'medium', 'condition']; | ||
| $orderFilterAttr = Request::input('facet'); | ||
| $orderFilterName = Request::input('filter'); | ||
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| if ( preg_match('/^[1-4]{1}$/', $orderFilterAttr) ) { // If [facet=] querystring is [1-4] | ||
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| $filterMap = [1 => 'type', 2 => 'status', 3 => 'medium', 4 => 'condition']; | ||
| $filterSet = '&facet=' . $orderFilterAttr . '&filter=' . $orderFilterName; | ||
| $orderFilterAttr = $filterMap[$orderFilterAttr]; | ||
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| } elseif ( in_array($orderFilterAttr, $attrArray) ) { // If [facet=] querystring is a given attribute | ||
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| // Not using this ... not converting 'type' to 1, etc. ... changed 'ft' to 'faceet' which is more descriptive | ||
| // $filterMap = ['type' => 1, 'status' => 2, 'medium' => 3, 'condition' => 4]; | ||
| // $filterSet = '&facet=' . $filterMap[$orderFilterAttr] . '&filter=' . Request::input('filter'); | ||
| $filterSet = '&facet=' . $orderFilterAttr . '&filter=' . $orderFilterName; | ||
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| } else { | ||
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| $orderFilterAttr = ''; | ||
| $orderFilterName = ''; | ||
| $filterSet = ''; | ||
| } | ||
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| if (strlen($filterSet) > 0) { | ||
| $filterFacet = ucwords($orderFilterAttr); | ||
| $filterStatus = $orderFilterName; | ||
| } else { | ||
| $filterFacet = ''; | ||
| $filterStatus = ''; | ||
| } | ||
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| // End filter querystring check | ||
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| $orderCol = ($orderCol) ? $orderCol : 'title'; | ||
| $orderDir = ($orderDir) ? $orderDir : 'asc'; | ||
| $pageCur = ($pageCur) ? $pageCur : '1'; | ||
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| if ($canView) { | ||
| $pageBlock = $findUser->pref_items_per_page; | ||
| } else { | ||
| $pageBlock = 5; | ||
| } | ||
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| /* Sorting - Begin */ | ||
| $queryMap = [ | ||
| 'title' => 'item_title', | ||
| 'type' => 'type_title', // 'item_type_id' | ||
| 'medium' => 'medium_title', // 'item_medium_id' | ||
| 'status' => 'status_title', // 'item_status_id' | ||
| 'condition' => 'condition_title', // 'item_condition_id' | ||
| 'rating' => 'item_rating', // 'item_content_id' | ||
| 'added' => 'created_at', // 'created_at' | ||
| ]; | ||
| $queryMapModel = [ | ||
| 'type' => 'itemsType', // 'item_type_id' | ||
| 'medium' => 'itemsMedium', // 'item_medium_id' | ||
| 'status' => 'itemsStatus', // 'item_status_id' | ||
| 'condition' => 'itemsCondition', // 'item_condition_id' | ||
| 'rating' => 'itemsContent', // 'item_content_id' | ||
| ]; | ||
| $queryMapText = $queryMap[$orderCol]; | ||
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| if ($orderCol == 'title' || $orderCol == 'added') { | ||
| $queryText = $queryMapText; // Set sort [column title] based on URL (e.g., where URL = 'title' => $queryText = 'item-title') | ||
| } else { | ||
| $queryMapModelText = $queryMapModel[$orderCol]; // This will allow the sorting to be based on a related table's [column title] using dot-notation | ||
| $queryText = $queryMapModelText . "." . $queryMapText; // (e.g., sortBy(itemsType.type_title) ) | ||
| } | ||
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| /* WHERE CLAUSES - Init */ | ||
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| if ($isProperUser) { | ||
| $itemWhere = [ | ||
| 'user_id' => $userId // Owners can view all their items | ||
| ]; | ||
| } else { | ||
| $itemWhere = [ | ||
| 'user_id' => $userId, | ||
| 'is_viewable' => 1 // Don't show private items for non-owners | ||
| ]; | ||
| $whereIsPublic = function ($query) { $query->where('is_public', '=', '1'); }; | ||
| } | ||
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| /* WHERE CLAUSES - Create Results List */ | ||
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| // Old: $itemListBase = Item::where($itemWhere)->get()->sortBy($queryText, SORT_STRING | SORT_FLAG_CASE); | ||
| // New: Filting results list using ->whereHas() | ||
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| if ($isProperUser) { | ||
| $itemListBase = Item::where($itemWhere); | ||
| } else { | ||
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| $whereTypeNotNull = function ($query) use ($whereIsPublic) { $query->whereHas('itemsType', $whereIsPublic)->orWhere('item_type_id', '=', null); }; | ||
| $whereMediumNotNull = function ($query) use ($whereIsPublic) { $query->whereHas('itemsMedium', $whereIsPublic)->orWhere('item_medium_id', '=', null); }; | ||
| $whereStatusNotNull = function ($query) use ($whereIsPublic) { $query->whereHas('itemsStatus', $whereIsPublic)->orWhere('item_status_id', '=', null); }; | ||
| // $whereContentNotNull = function ($query) use ($whereHasRating) { $query->whereHas('itemsContent', $whereHasRating)->orWhere('item_content_id', '=', null); }; | ||
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| $itemListBase = Item::where($itemWhere)->where($whereTypeNotNull)->where($whereMediumNotNull)->where($whereStatusNotNull); | ||
| // $itemListBase = Item::where($itemWhere)->where($whereTypeNotNull)->where($whereMediumNotNull)->where($whereStatusNotNull)->where($whereContentNotNull); | ||
| } | ||
|
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| // Apply Filters | ||
| if ($orderFilterAttr == 'type') { | ||
| $whereTypeFilter = function ($query) use ($orderFilterName) { $query->where('type_title', '=', $orderFilterName); }; | ||
| $itemListBase = $itemListBase->whereHas('itemsType', $whereTypeFilter); | ||
| } | ||
| if ($orderFilterAttr == 'status') { | ||
| $whereStatusFilter = function ($query) use ($orderFilterName) { $query->where('status_title', '=', $orderFilterName); }; | ||
| $itemListBase = $itemListBase->whereHas('itemsStatus', $whereStatusFilter); | ||
| } | ||
| if ($orderFilterAttr == 'medium') { | ||
| $whereMediumFilter = function ($query) use ($orderFilterName) { $query->where('medium_title', '=', $orderFilterName); }; | ||
| $itemListBase = $itemListBase->whereHas('itemsMedium', $whereMediumFilter); | ||
| } | ||
| if ($orderFilterAttr == 'condition') { | ||
| $whereConditionFilter = function ($query) use ($orderFilterName) { $query->where('condition_title', '=', $orderFilterName); }; | ||
| $itemListBase = $itemListBase->whereHas('itemsCondition', $whereConditionFilter); | ||
| } | ||
|
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| // Get list of all attribute types for display in Filter dropdown list | ||
| $itemAttrWhere = [ | ||
| 'user_id' => $userId, | ||
| 'is_public' => 1 | ||
| ]; | ||
| $itemTypes = ItemsType::where($itemAttrWhere)->get(); | ||
| $itemStatuses = ItemsStatus::where($itemAttrWhere)->get(); | ||
| $itemMediums = ItemsMedium::where($itemAttrWhere)->get(); | ||
| $itemConditions = ItemsCondition::where( [ 'user_id' => $userId ] )->get(); | ||
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| /* Append sorting to results list (from above) */ | ||
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| // $queryText = "itemsMedium.medium_title" | ||
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| if ($orderCol == 'title') { | ||
| if ($orderDir == 'desc') { | ||
| $itemListBase = $itemListBase->get()->sortByDesc($queryText, SORT_STRING | SORT_FLAG_CASE); | ||
| } else { | ||
| $itemListBase = $itemListBase->get()->sortBy($queryText, SORT_STRING | SORT_FLAG_CASE); | ||
| } | ||
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| } elseif ($orderCol == 'added') { | ||
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| $itemListBase = $itemListBase->get() | ||
| ->sort(function($a, $b) use ($queryText, $orderDir) { | ||
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| $queryTextTitle = 'item_title'; | ||
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| $sortResultVal = strcasecmp($a->$queryText, $b->$queryText); | ||
| if ($sortResultVal === 0) { | ||
| $sortResultVal = strtolower($a->$queryTextTitle . "z") > strtolower($b->$queryTextTitle . "z") ? 1 : -1; | ||
| } else { | ||
| $sortResultVal = ($orderDir == 'asc') ? $sortResultVal : -1 * $sortResultVal; | ||
| } | ||
| return $sortResultVal; | ||
| }); | ||
|
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| } else { | ||
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| $itemListBase = $itemListBase->with($queryMapModelText)->get() | ||
| ->sort(function($a, $b) use ($queryText, $orderDir, $orderCol) { | ||
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| $queryTextTitle = 'item_title'; | ||
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| $queryTableName = explode(".", $queryText)[0]; | ||
| $queryFieldName = explode(".", $queryText)[1]; | ||
|
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| if ($orderCol == "rating") { // Ratings are numeric; Don't compare as strings | ||
| $testCase = -1; | ||
| } else { | ||
| $testCase = ""; | ||
| } | ||
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| $queryItem1 = is_null($a->$queryTableName) ? $testCase : (is_null($a->$queryTableName->$queryFieldName) ? $testCase : $a->$queryTableName->$queryFieldName); | ||
| $queryItem2 = is_null($b->$queryTableName) ? $testCase : (is_null($b->$queryTableName->$queryFieldName) ? $testCase : $b->$queryTableName->$queryFieldName); | ||
|
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| if ($orderCol == "rating") { | ||
| $sortResultVal = ($queryItem1 < $queryItem2) ? -1 : (($queryItem1 > $queryItem2) ? 1 : 0); | ||
| } else { | ||
| $sortResultVal = strcmp($queryItem1, $queryItem2); | ||
| } | ||
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| if ($sortResultVal === 0) { | ||
| $sortResultVal = strtolower($a->$queryTextTitle . "z") > strtolower($b->$queryTextTitle . "z") ? 1 : -1; | ||
| } else { | ||
| $sortResultVal = ($orderDir == 'asc') ? $sortResultVal : -1 * $sortResultVal; | ||
| } | ||
| return $sortResultVal; | ||
| }); | ||
| } | ||
|
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| $itemList = $itemListBase->forPage($pageCur, $pageBlock); | ||
| $itemListBaseCount = count($itemListBase); | ||
| $pageCount = ceil(($itemListBaseCount / $pageBlock)); | ||
|
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| // if ($itemList && count($itemListBase) > 0) { | ||
| // return view('items.showAll')->with(['whichView' => $whichView, 'pageTitle' => $pageTitle, 'pathId' => $pathId, 'items' => $itemList]); | ||
|
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| // RATINGS | ||
| $ratingFactor = $this->ratingFactors[$findUser->rating_factor]; | ||
| $ratingFactorNoBrackets = substr($ratingFactor, 1, (strlen($ratingFactor)-2)); | ||
| $ratingFactorMax = explode("-", $ratingFactorNoBrackets)[1]; | ||
|
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| // VISIBLE COLUMNS | ||
| $availableColumns = [0 => 'Type', 1 => 'Status', 2 => 'Medium', 3 => 'Condition', 4 => 'Rating', 5 => 'Date Added']; | ||
| if (is_null($findUser->show_columns)) { | ||
| $selectedColumns = array('0', '1', '2', '3', '4', '5'); // If null, select all (all columns visible) | ||
| } else { | ||
| $selectedColumns = unserialize($findUser->show_columns); // N; // a:2:{i:0;s:1:"1";i:1;s:1:"4";} | ||
| } | ||
| $selectedColumnsCount = count($selectedColumns); | ||
|
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| return view('items.showAll', [ | ||
| 'canView' => $canView, | ||
| 'whichView' => $whichView, | ||
| 'pageTitle' => $pageTitle, | ||
| 'pathId' => $pathId, | ||
| 'pageCur' => $pageCur, | ||
| 'pageCount' => $pageCount, | ||
| 'orderCol' => $orderCol, | ||
| 'orderDir' => $orderDir, | ||
| 'filterSet' => $filterSet, | ||
| 'filterFacet' => $filterFacet, | ||
| 'filterStatus' => $filterStatus, | ||
| 'itemCount' => $itemListBaseCount, | ||
| 'items' => $itemList, | ||
| 'itemTypes' => $itemTypes, | ||
| 'itemStatuses' => $itemStatuses, | ||
| 'itemMediums' => $itemMediums, | ||
| 'itemConditions' => $itemConditions, | ||
| 'ratingFactorMax' => $ratingFactorMax, | ||
| 'selectedColumns' => $selectedColumns, | ||
| 'selectedColumnsCount' => $selectedColumnsCount, | ||
| ]); | ||
| } | ||
| } |