Search: Added structure for search term inputs

Sets things up to allow more complex terms ready to handle negation.

app/Search/SearchOption.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace BookStack\Search;
+
+class SearchOption
+{
+    public function __construct(
+        public string $value,
+        public bool $negated = false,
+    ) {
+    }
+}

app/Search/SearchOptionSet.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace BookStack\Search;
+
+class SearchOptionSet
+{
+    /**
+     * @var SearchOption[]
+     */
+    public array $options = [];
+
+    public function __construct(array $options = [])
+    {
+        $this->options = $options;
+    }
+
+    public function toValueArray(): array
+    {
+        return array_map(fn(SearchOption $option) => $option->value, $this->options);
+    }
+
+    public function toValueMap(): array
+    {
+        $map = [];
+        foreach ($this->options as $key => $option) {
+            $map[$key] = $option->value;
+        }
+        return $map;
+    }
+
+    public function merge(SearchOptionSet $set): self
+    {
+        return new self(array_merge($this->options, $set->options));
+    }
+
+    public function filterEmpty(): self
+    {
+        $filteredOptions = array_filter($this->options, fn (SearchOption $option) => !empty($option->value));
+        return new self($filteredOptions);
+    }
+
+    public static function fromValueArray(array $values): self
+    {
+        $options = array_map(fn($val) => new SearchOption($val), $values);
+        return new self($options);
+    }
+
+    public static function fromMapArray(array $values): self
+    {
+        $options = [];
+        foreach ($values as $key => $value) {
+            $options[$key] = new SearchOption($value);
+        }
+        return new self($options);
+    }
+}

app/Search/SearchOptions.php

@@ -6,22 +6,26 @@ use Illuminate\Http\Request;
 
 class SearchOptions
 {
-    public array $searches = [];
-    public array $exacts = [];
-    public array $tags = [];
-    public array $filters = [];
+    public SearchOptionSet $searches;
+    public SearchOptionSet $exacts;
+    public SearchOptionSet $tags;
+    public SearchOptionSet $filters;
+
+    public function __construct()
+    {
+        $this->searches = new SearchOptionSet();
+        $this->exacts = new SearchOptionSet();
+        $this->tags = new SearchOptionSet();
+        $this->filters = new SearchOptionSet();
+    }
 
     /**
      * Create a new instance from a search string.
      */
     public static function fromString(string $search): self
     {
-        $decoded = static::decode($search);
-        $instance = new SearchOptions();
-        foreach ($decoded as $type => $value) {
-            $instance->$type = $value;
-        }
-
+        $instance = new self();
+        $instance->addOptionsFromString($search);
         return $instance;
     }
 
@@ -44,34 +48,37 @@ class SearchOptions
         $inputs = $request->only(['search', 'types', 'filters', 'exact', 'tags']);
 
         $parsedStandardTerms = static::parseStandardTermString($inputs['search'] ?? '');
-        $instance->searches = array_filter($parsedStandardTerms['terms']);
-        $instance->exacts = array_filter($parsedStandardTerms['exacts']);
-
-        array_push($instance->exacts, ...array_filter($inputs['exact'] ?? []));
-
-        $instance->tags = array_filter($inputs['tags'] ?? []);
+        $inputExacts = array_filter($inputs['exact'] ?? []);
+        $instance->searches = SearchOptionSet::fromValueArray(array_filter($parsedStandardTerms['terms']));
+        $instance->exacts = SearchOptionSet::fromValueArray(array_filter($parsedStandardTerms['exacts']));
+        $instance->exacts = $instance->exacts->merge(SearchOptionSet::fromValueArray($inputExacts));
+        $instance->tags = SearchOptionSet::fromValueArray(array_filter($inputs['tags'] ?? []));
 
+        $keyedFilters = [];
         foreach (($inputs['filters'] ?? []) as $filterKey => $filterVal) {
             if (empty($filterVal)) {
                 continue;
             }
-            $instance->filters[$filterKey] = $filterVal === 'true' ? '' : $filterVal;
+            $cleanedFilterVal = $filterVal === 'true' ? '' : $filterVal;
+            $keyedFilters[$filterKey] = new SearchOption($cleanedFilterVal);
         }
 
         if (isset($inputs['types']) && count($inputs['types']) < 4) {
-            $instance->filters['type'] = implode('|', $inputs['types']);
+            $keyedFilters['type'] = new SearchOption(implode('|', $inputs['types']));
         }
 
+        $instance->filters = new SearchOptionSet($keyedFilters);
+
         return $instance;
     }
 
     /**
-     * Decode a search string into an array of terms.
+     * Decode a search string and add its contents to this instance.
      */
-    protected static function decode(string $searchString): array
+    protected function addOptionsFromString(string $searchString): void
     {
+        /** @var array<string, string[]> $terms */
         $terms = [
-            'searches' => [],
             'exacts'   => [],
             'tags'     => [],
             'filters'  => [],
@@ -94,28 +101,30 @@ class SearchOptions
         }
 
         // Unescape exacts and backslash escapes
-        foreach ($terms['exacts'] as $index => $exact) {
-            $terms['exacts'][$index] = static::decodeEscapes($exact);
-        }
+        $escapedExacts = array_map(fn(string $term) => static::decodeEscapes($term), $terms['exacts']);
 
         // Parse standard terms
         $parsedStandardTerms = static::parseStandardTermString($searchString);
-        array_push($terms['searches'], ...$parsedStandardTerms['terms']);
-        array_push($terms['exacts'], ...$parsedStandardTerms['exacts']);
+        $this->searches = $this->searches
+            ->merge(SearchOptionSet::fromValueArray($parsedStandardTerms['terms']))
+            ->filterEmpty();
+        $this->exacts = $this->exacts
+            ->merge(SearchOptionSet::fromValueArray($escapedExacts))
+            ->merge(SearchOptionSet::fromValueArray($parsedStandardTerms['exacts']))
+            ->filterEmpty();
+
+        // Add tags
+        $this->tags = $this->tags->merge(SearchOptionSet::fromValueArray($terms['tags']));
 
         // Split filter values out
+        /** @var array<string, SearchOption> $splitFilters */
         $splitFilters = [];
         foreach ($terms['filters'] as $filter) {
             $explodedFilter = explode(':', $filter, 2);
-            $splitFilters[$explodedFilter[0]] = (count($explodedFilter) > 1) ? $explodedFilter[1] : '';
+            $filterValue = (count($explodedFilter) > 1) ? $explodedFilter[1] : '';
+            $splitFilters[$explodedFilter[0]] = new SearchOption($filterValue);
         }
-        $terms['filters'] = $splitFilters;
-
-        // Filter down terms where required
-        $terms['exacts'] = array_filter($terms['exacts']);
-        $terms['searches'] = array_filter($terms['searches']);
-
-        return $terms;
+        $this->filters = $this->filters->merge(new SearchOptionSet($splitFilters));
     }
 
     /**
@@ -175,7 +184,9 @@ class SearchOptions
      */
     public function setFilter(string $filterName, string $filterValue = ''): void
     {
-        $this->filters[$filterName] = $filterValue;
+        $this->filters = $this->filters->merge(
+            new SearchOptionSet([$filterName => new SearchOption($filterValue)])
+        );
     }
 
     /**
@@ -183,22 +194,47 @@ class SearchOptions
      */
     public function toString(): string
     {
-        $parts = $this->searches;
+        $parts = $this->searches->toValueArray();
 
-        foreach ($this->exacts as $term) {
+        foreach ($this->exacts->toValueArray() as $term) {
             $escaped = str_replace('\\', '\\\\', $term);
             $escaped = str_replace('"', '\"', $escaped);
             $parts[] = '"' . $escaped . '"';
         }
 
-        foreach ($this->tags as $term) {
+        foreach ($this->tags->toValueArray() as $term) {
             $parts[] = "[{$term}]";
         }
 
-        foreach ($this->filters as $filterName => $filterVal) {
+        foreach ($this->filters->toValueMap() as $filterName => $filterVal) {
             $parts[] = '{' . $filterName . ($filterVal ? ':' . $filterVal : '') . '}';
         }
 
         return implode(' ', $parts);
     }
+
+    /**
+     * Get the search options that don't have UI controls provided for.
+     * Provided back as a key => value array with the keys being expected
+     * input names for a search form, and values being the option value.
+     *
+     * @return array<string, string>
+     */
+    public function getHiddenInputValuesByFieldName(): array
+    {
+        $options = [];
+
+        // Non-[created/updated]-by-me options
+        $filterMap = $this->filters->toValueMap();
+        foreach (['updated_by', 'created_by', 'owned_by'] as $filter) {
+            $value = $filterMap[$filter] ?? null;
+            if ($value !== null && $value !== 'me') {
+                $options["filters[$filter]"] = $value;
+            }
+        }
+
+        // TODO - Negated
+
+        return $options;
+    }
 }

app/Search/SearchResultsFormatter.php

@@ -25,11 +25,12 @@ class SearchResultsFormatter
      * Update the given entity model to set attributes used for previews of the item
      * primarily within search result lists.
      */
-    protected function setSearchPreview(Entity $entity, SearchOptions $options)
+    protected function setSearchPreview(Entity $entity, SearchOptions $options): void
     {
         $textProperty = $entity->textField;
         $textContent = $entity->$textProperty;
-        $terms = array_merge($options->exacts, $options->searches);
+        $relevantSearchOptions = $options->exacts->merge($options->searches);
+        $terms = $relevantSearchOptions->toValueArray();
 
         $originalContentByNewAttribute = [
             'preview_name'    => $entity->name,

app/Search/SearchRunner.php

@@ -55,10 +55,11 @@ class SearchRunner
         $entityTypes = array_keys($this->entityProvider->all());
         $entityTypesToSearch = $entityTypes;
 
+        $filterMap = $searchOpts->filters->toValueMap();
         if ($entityType !== 'all') {
             $entityTypesToSearch = [$entityType];
-        } elseif (isset($searchOpts->filters['type'])) {
-            $entityTypesToSearch = explode('|', $searchOpts->filters['type']);
+        } elseif (isset($filterMap['type'])) {
+            $entityTypesToSearch = explode('|', $filterMap['type']);
         }
 
         $results = collect();
@@ -97,7 +98,8 @@ class SearchRunner
     {
         $opts = SearchOptions::fromString($searchString);
         $entityTypes = ['page', 'chapter'];
-        $entityTypesToSearch = isset($opts->filters['type']) ? explode('|', $opts->filters['type']) : $entityTypes;
+        $filterMap = $opts->filters->toValueMap();
+        $entityTypesToSearch = isset($filterMap['type']) ? explode('|', $filterMap['type']) : $entityTypes;
 
         $results = collect();
         foreach ($entityTypesToSearch as $entityType) {
@@ -161,7 +163,7 @@ class SearchRunner
         $this->applyTermSearch($entityQuery, $searchOpts, $entityType);
 
         // Handle exact term matching
-        foreach ($searchOpts->exacts as $inputTerm) {
+        foreach ($searchOpts->exacts->toValueArray() as $inputTerm) {
             $entityQuery->where(function (EloquentBuilder $query) use ($inputTerm, $entityModelInstance) {
                 $inputTerm = str_replace('\\', '\\\\', $inputTerm);
                 $query->where('name', 'like', '%' . $inputTerm . '%')
@@ -170,12 +172,12 @@ class SearchRunner
         }
 
         // Handle tag searches
-        foreach ($searchOpts->tags as $inputTerm) {
+        foreach ($searchOpts->tags->toValueArray() as $inputTerm) {
             $this->applyTagSearch($entityQuery, $inputTerm);
         }
 
         // Handle filters
-        foreach ($searchOpts->filters as $filterTerm => $filterValue) {
+        foreach ($searchOpts->filters->toValueMap() as $filterTerm => $filterValue) {
             $functionName = Str::camel('filter_' . $filterTerm);
             if (method_exists($this, $functionName)) {
                 $this->$functionName($entityQuery, $entityModelInstance, $filterValue);
@@ -190,7 +192,7 @@ class SearchRunner
      */
     protected function applyTermSearch(EloquentBuilder $entityQuery, SearchOptions $options, string $entityType): void
     {
-        $terms = $options->searches;
+        $terms = $options->searches->toValueArray();
         if (count($terms) === 0) {
             return;
         }
@@ -209,8 +211,8 @@ class SearchRunner
         $subQuery->where('entity_type', '=', $entityType);
         $subQuery->where(function (Builder $query) use ($terms) {
             foreach ($terms as $inputTerm) {
-                $inputTerm = str_replace('\\', '\\\\', $inputTerm);
-                $query->orWhere('term', 'like', $inputTerm . '%');
+                $escapedTerm = str_replace('\\', '\\\\', $inputTerm);
+                $query->orWhere('term', 'like', $escapedTerm . '%');
             }
         });
         $subQuery->groupBy('entity_type', 'entity_id');
@@ -264,7 +266,7 @@ class SearchRunner
         $whenStatements = [];
         $whenBindings = [];
 
-        foreach ($options->searches as $term) {
+        foreach ($options->searches->toValueArray() as $term) {
             $whenStatements[] = 'WHEN term LIKE ? THEN ?';
             $whenBindings[] = $term . '%';
             $whenBindings[] = $term;