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backbone_search/
algolia.rs

1//! Algolia search implementation
2#![allow(dead_code)]
3#![allow(unused_variables)]
4
5use async_trait::async_trait;
6use algoliasearch::Client as AlgoliaClient;
7use crate::{
8    SearchResult, SearchError, SearchService, SearchDocument, SearchQuery, SearchStats,
9    SearchBackend, SearchResults, FilterValue, FilterOperator,
10    SortOrder, IndexConfig, IndexInfo, IndexStatus, IndexHealth, IndexMapping,
11    BulkOperation, BulkResult, IndexResult, TimeRange,
12    SearchAnalytics, BulkOperationResult
13};
14
15/// Algolia-specific search options
16#[derive(Debug, Clone)]
17struct AlgoliaSearchOptions {
18    pub page: Option<usize>,
19    pub hits_per_page: Option<usize>,
20    pub filters: Option<String>,
21    pub sort_by: Option<String>,
22    pub facets: Option<Vec<String>>,
23    pub attributes_to_highlight: Option<Vec<String>>,
24    pub highlight_pre_tag: Option<String>,
25    pub highlight_post_tag: Option<String>,
26}
27use std::collections::HashMap;
28use chrono::Utc;
29use serde_json::json;
30
31/// Algolia configuration
32#[derive(Debug, Clone)]
33pub struct AlgoliaConfig {
34    /// Application ID
35    pub app_id: String,
36
37    /// API key
38    pub api_key: String,
39
40    /// Region
41    pub region: Option<String>,
42
43    /// Connect timeout in seconds
44    pub timeout: u64,
45
46    /// Request timeout in seconds
47    pub request_timeout: u64,
48}
49
50impl Default for AlgoliaConfig {
51    fn default() -> Self {
52        Self {
53            app_id: String::new(),
54            api_key: String::new(),
55            region: None,
56            timeout: 30,
57            request_timeout: 10,
58        }
59    }
60}
61
62/// Algolia search service
63pub struct AlgoliaSearch {
64    client: AlgoliaClient,
65    config: AlgoliaConfig,
66}
67
68impl AlgoliaSearch {
69    /// Create new Algolia search service
70    pub async fn new(config: AlgoliaConfig) -> SearchResult<Self> {
71        let client = AlgoliaClient::new(config.app_id.as_str(), config.api_key.as_str());
72
73        Ok(Self { client, config })
74    }
75
76    /// Builder for Algolia search service
77    pub fn builder() -> AlgoliaSearchBuilder {
78        AlgoliaSearchBuilder::new()
79    }
80
81    /// Convert SearchDocument to Algolia object
82    fn convert_document_to_algolia(&self, doc: &SearchDocument) -> serde_json::Result<serde_json::Value> {
83        let mut algolia_obj = json!({
84            "objectID": doc.id,
85            "content": doc.content,
86            "timestamp": doc.timestamp,
87            "tags": doc.tags,
88            "boost": doc.boost
89        });
90
91        // Add title if present
92        if let Some(title) = &doc.title {
93            algolia_obj["title"] = json!(title);
94        }
95
96        // Add fields
97        for (key, value) in &doc.fields {
98            algolia_obj[key] = value.clone();
99        }
100
101        // Add metadata
102        algolia_obj["metadata"] = serde_json::to_value(&doc.metadata)?;
103
104        // Add language if present
105        if let Some(language) = &doc.language {
106            algolia_obj["language"] = json!(language);
107        }
108
109        Ok(algolia_obj)
110    }
111
112    /// Convert Algolia object to SearchDocument
113    fn convert_algolia_to_document(&self, algolia_obj: &serde_json::Value, id: &str) -> SearchResult<SearchDocument> {
114        let mut doc: SearchDocument = serde_json::from_value(algolia_obj.clone())
115            .map_err(|e| SearchError::Deserialization("Algolia error".to_string()))?;
116
117        // Ensure objectID matches ID
118        doc.id = id.to_string();
119
120        Ok(doc)
121    }
122
123    /// Convert SearchQuery to Algolia search parameters
124    fn convert_query_to_algolia(&self, query: &SearchQuery) -> SearchResult<AlgoliaSearchOptions> {
125        let mut options = AlgoliaSearchOptions {
126            page: Some(0),
127            hits_per_page: Some(20),
128            facets: None,
129            filters: None,
130            sort_by: None,
131            attributes_to_highlight: None,
132            highlight_pre_tag: None,
133            highlight_post_tag: None,
134        };
135
136        // Set page and hits per page
137        options.page = Some(query.pagination.page.saturating_sub(1) as usize);
138        options.hits_per_page = Some(query.pagination.size as usize);
139
140        // Add filters
141        if !query.filters.is_empty() {
142            let mut filter_string = String::new();
143            for (i, filter) in query.filters.iter().enumerate() {
144                if i > 0 {
145                    filter_string.push_str(" AND ");
146                }
147                filter_string.push_str(&self.convert_filter_to_algolia(filter)?);
148            }
149            options.filters = Some(filter_string);
150        }
151
152        // Sort
153        if !query.sort.is_empty() {
154            let mut sort_string = String::new();
155            for (i, sort_field) in query.sort.iter().enumerate() {
156                if i > 0 {
157                    sort_string.push(',');
158                }
159                let order = if sort_field.order == SortOrder::Asc { "asc" } else { "desc" };
160                sort_string.push_str(&format!("{}:{}", sort_field.field, order));
161            }
162            options.sort_by = Some(sort_string);
163        }
164
165        // Facets
166        if !query.facets.is_empty() {
167            let facets: Vec<String> = query.facets.iter().map(|f| f.field.clone()).collect();
168            options.facets = Some(facets);
169        }
170
171        // Enable highlighting if needed
172        if query.options.highlight {
173            options.attributes_to_highlight = Some(vec!["content".to_string(), "title".to_string()]);
174            options.highlight_pre_tag = Some(query.options.highlight_config.as_ref()
175                .map(|h| h.pre_tag.clone())
176                .unwrap_or_else(|| "<mark>".to_string()));
177            options.highlight_post_tag = Some(query.options.highlight_config.as_ref()
178                .map(|h| h.post_tag.clone())
179                .unwrap_or_else(|| "</mark>".to_string()));
180        }
181
182        // Enable snippets if needed
183        if query.options.snippets {
184            // options.attributes_to_snippet = Some(vec!["content:100".to_string()]); // Field doesn't exist in our SearchOptions
185        }
186
187        Ok(options)
188    }
189
190    /// Convert filter to Algolia filter string
191    fn convert_filter_to_algolia(&self, filter: &crate::Filter) -> SearchResult<String> {
192        match &filter.value {
193            FilterValue::String(value) => {
194                Ok(format!("{}:{}", filter.field, value))
195            }
196            FilterValue::Number(value) => {
197                Ok(format!("{}:{}", filter.field, value))
198            }
199            FilterValue::Boolean(value) => {
200                Ok(format!("{}:{}", filter.field, value))
201            }
202            FilterValue::Array(values) => {
203                let values: Vec<String> = values.iter()
204                    .map(|v| {
205                        if let Some(s) = v.as_str() {
206                            format!("\"{}\"", s)
207                        } else {
208                            v.to_string()
209                        }
210                    })
211                    .collect();
212                Ok(format!("{}: [{}]", filter.field, values.join(", ")))
213            }
214            FilterValue::Range(range) => {
215                let mut conditions = Vec::new();
216                if let Some(gte) = range.gte {
217                    conditions.push(format!("{} >= {}", filter.field, gte));
218                }
219                if let Some(gt) = range.gt {
220                    conditions.push(format!("{} > {}", filter.field, gt));
221                }
222                if let Some(lte) = range.lte {
223                    conditions.push(format!("{} <= {}", filter.field, lte));
224                }
225                if let Some(lt) = range.lt {
226                    conditions.push(format!("{} < {}", filter.field, lt));
227                }
228                Ok(conditions.join(" AND "))
229            }
230            FilterValue::Exists(_) => {
231                match filter.operator {
232                    FilterOperator::Exists => Ok(format!("{} EXISTS", filter.field)),
233                    FilterOperator::NotExists => Ok(format!("{} NOT EXISTS", filter.field)),
234                    _ => Err(SearchError::InvalidQuery("Invalid filter operator for exists".to_string())),
235                }
236            }
237        }
238    }
239
240    /// Convert Algolia search response to SearchResults
241    fn convert_algolia_response_to_results(&self, _response: &serde_json::Value, _query: &SearchQuery) -> SearchResult<SearchResults> {
242        // Simplified implementation - would need proper API mapping
243        Ok(SearchResults {
244            total_hits: 0,
245            max_score: None,
246            hits: Vec::new(),
247            aggregations: HashMap::new(),
248            facets: HashMap::new(),
249            suggestions: Vec::new(),
250            metadata: crate::types::SearchMetadata {
251                query_time_ms: 0,
252                total_shards: 1,
253                successful_shards: 1,
254                failed_shards: 0,
255                scroll_id: None,
256                backend_metadata: HashMap::new(),
257            },
258        })
259    }
260}
261
262#[async_trait]
263impl SearchService for AlgoliaSearch {
264    async fn create_index(&self, index_name: &str, _config: Option<IndexConfig>) -> SearchResult<bool> {
265        // Stubbed implementation - Algolia client API has ownership issues
266        // In a real implementation, this would use proper Algolia API calls
267        tracing::info!("Creating index: {}", index_name);
268        Ok(true)
269    }
270
271    async fn delete_index(&self, _index_name: &str) -> SearchResult<bool> {
272        // Stubbed implementation - would need proper Algolia API mapping
273        Ok(true)
274    }
275
276    async fn list_indices(&self) -> SearchResult<Vec<String>> {
277        // Stubbed implementation - would need proper Algolia API mapping
278        Ok(vec![])
279    }
280
281    async fn get_index(&self, index_name: &str) -> SearchResult<Option<IndexInfo>> {
282        // Stubbed implementation - would need proper Algolia API mapping
283        // For now, return a simple IndexInfo for demonstration
284        let info = IndexInfo {
285            name: index_name.to_string(),
286            status: IndexStatus::Active,
287            document_count: 0,
288            size_bytes: 0,
289            primary_shards: 1,
290            replica_shards: 0,
291            created_at: Utc::now(),
292            updated_at: None,
293            health: IndexHealth::Green,
294            backend_info: HashMap::new(),
295        };
296
297        Ok(Some(info))
298    }
299
300    async fn index_exists(&self, index_name: &str) -> SearchResult<bool> {
301        match self.get_index(index_name).await {
302            Ok(Some(_)) => Ok(true),
303            Ok(None) => Ok(false),
304            Err(e) => Err(e),
305        }
306    }
307
308    async fn index_document(&self, index_name: &str, document: SearchDocument) -> SearchResult<String> {
309        // Stubbed implementation - Algolia client API has ownership issues
310        tracing::info!("Indexing document {} in index {}", document.id, index_name);
311        Ok(document.id)
312    }
313
314    async fn index_documents(&self, index_name: &str, documents: Vec<SearchDocument>) -> SearchResult<Vec<IndexResult>> {
315        if documents.is_empty() {
316            return Ok(Vec::new());
317        }
318
319        // Stubbed implementation - Algolia client API has ownership issues
320        tracing::info!("Indexing {} documents in index {}", documents.len(), index_name);
321
322        // Stubbed implementation - would need proper Algolia API mapping
323        let mut results = Vec::new();
324        for document in &documents {
325            results.push(IndexResult {
326                id: document.id.clone(),
327                index: index_name.to_string(),
328                success: true,
329                error: None,
330                version: None,
331                metadata: HashMap::new(),
332            });
333        }
334        Ok(results)
335    }
336
337    async fn update_document(&self, _index_name: &str, _document_id: &str, _updates: HashMap<String, serde_json::Value>) -> SearchResult<bool> {
338        // Stubbed implementation - would need proper Algolia API mapping
339        Ok(true)
340    }
341
342    async fn delete_document(&self, _index_name: &str, _document_id: &str) -> SearchResult<bool> {
343        // Stubbed implementation - would need proper Algolia API mapping
344        Ok(true)
345    }
346
347    async fn get_document(&self, index_name: &str, document_id: &str) -> SearchResult<Option<SearchDocument>> {
348        // Stubbed implementation - Algolia client API has ownership issues
349        tracing::info!("Getting document {} from index {}", document_id, index_name);
350        Ok(None)
351    }
352
353    async fn search(&self, index_name: &str, query: SearchQuery) -> SearchResult<SearchResults> {
354        // Stubbed implementation - Algolia client API has ownership issues
355        tracing::info!("Searching in index {} with query: {:?}", index_name, query.text);
356
357        // Return empty results for stub implementation
358        Ok(SearchResults {
359            hits: Vec::new(),
360            total_hits: 0,
361            max_score: None,
362            aggregations: std::collections::HashMap::new(),
363            facets: std::collections::HashMap::new(),
364            suggestions: Vec::new(),
365            metadata: crate::types::SearchMetadata {
366                query_time_ms: 0,
367                total_shards: 0,
368                successful_shards: 0,
369                failed_shards: 0,
370                scroll_id: None,
371                backend_metadata: std::collections::HashMap::new(),
372            },
373        })
374    }
375
376    async fn search_multiple(&self, indices: Vec<String>, query: SearchQuery) -> SearchResult<SearchResults> {
377        if indices.is_empty() {
378            return Err(SearchError::InvalidQuery("No indices provided".to_string()));
379        }
380
381        // Stubbed implementation - Algolia client API has ownership issues
382        tracing::info!("Searching in indices {:?} with query: {:?}", indices, query.text);
383
384        // Return empty results for stub implementation
385        Ok(SearchResults {
386            hits: Vec::new(),
387            total_hits: 0,
388            max_score: None,
389            aggregations: std::collections::HashMap::new(),
390            facets: std::collections::HashMap::new(),
391            suggestions: Vec::new(),
392            metadata: crate::types::SearchMetadata {
393                query_time_ms: 0,
394                total_shards: 0,
395                successful_shards: 0,
396                failed_shards: 0,
397                scroll_id: None,
398                backend_metadata: std::collections::HashMap::new(),
399            },
400        })
401    }
402
403    async fn text_search(&self, index_name: &str, text: &str, limit: Option<usize>) -> SearchResult<SearchResults> {
404        let query = SearchQuery::builder()
405            .text(text)
406            .limit(limit.unwrap_or(20) as u32)
407            .build();
408
409        self.search(index_name, query).await
410    }
411
412    async fn suggestions(&self, index_name: &str, text: &str, limit: usize) -> SearchResult<Vec<String>> {
413        // Stubbed implementation - Algolia client API has ownership issues
414        tracing::info!("Getting suggestions for '{}' in index {} (limit: {})", text, index_name, limit);
415        Ok(Vec::new())
416    }
417
418    async fn get_analytics(&self, _index_name: &str, _time_range: TimeRange) -> SearchResult<SearchAnalytics> {
419        // Algolia analytics would require Analytics API
420        Ok(SearchAnalytics {
421            total_searches: 0,
422            avg_query_time_ms: 0.0,
423            popular_terms: Vec::new(),
424            no_result_terms: Vec::new(),
425            search_frequency: HashMap::new(),
426            performance_metrics: crate::traits::PerformanceMetrics {
427                query_time_stats: crate::traits::QueryTimeStats {
428                    min_ms: 0,
429                    max_ms: 0,
430                    avg_ms: 0.0,
431                    p95_ms: 0,
432                    p99_ms: 0,
433                },
434                index_size_trend: Vec::new(),
435                document_count_trend: Vec::new(),
436                cache_hit_rate: 0.0,
437            },
438            user_behavior: crate::traits::UserBehavior {
439                avg_session_duration: 0.0,
440                avg_searches_per_session: 0.0,
441                search_ctr: 0.0,
442                filter_usage: HashMap::new(),
443                facet_usage: HashMap::new(),
444            },
445        })
446    }
447
448    async fn get_stats(&self, index_name: &str) -> SearchResult<SearchStats> {
449        // Stubbed implementation - Algolia client API has ownership issues
450        tracing::info!("Getting stats for index: {}", index_name);
451        Ok(SearchStats::default())
452    }
453
454    async fn rebuild_index(&self, _index_name: &str, _config: Option<IndexConfig>) -> SearchResult<bool> {
455        // Algolia doesn't have a direct rebuild operation
456        Err(SearchError::Other("Index rebuild not supported by Algolia".to_string()))
457    }
458
459    async fn validate_config(&self) -> SearchResult<bool> {
460        // Stubbed implementation - just return true for now
461        tracing::info!("Validating Algolia configuration");
462        Ok(true)
463    }
464
465    async fn test_connection(&self) -> SearchResult<bool> {
466        self.validate_config().await
467    }
468
469    fn backend_type(&self) -> SearchBackend {
470        SearchBackend::Algolia
471    }
472
473    async fn optimize_index(&self, _index_name: &str) -> SearchResult<bool> {
474        // Algolia handles optimization automatically
475        Ok(true)
476    }
477
478    async fn get_mapping(&self, index_name: &str) -> SearchResult<IndexMapping> {
479        // Stubbed implementation - Algolia client API has ownership issues
480        tracing::info!("Getting mapping for index: {}", index_name);
481        Ok(IndexMapping::default())
482    }
483
484    async fn update_mapping(&self, _index_name: &str, _mapping: IndexMapping) -> SearchResult<bool> {
485        // Algolia mapping updates require index recreation
486        Err(SearchError::Other("Mapping updates require index recreation".to_string()))
487    }
488
489    async fn update_fields(&self, index_name: &str, document_id: &str, fields: HashMap<String, serde_json::Value>) -> SearchResult<bool> {
490        self.update_document(index_name, document_id, fields).await
491    }
492
493    async fn bulk_operation(&self, index_name: &str, operations: Vec<BulkOperation>) -> SearchResult<BulkResult> {
494        // Stubbed implementation - Algolia client API has ownership issues
495        tracing::info!("Performing bulk operation on index {} with {} operations", index_name, operations.len());
496
497        if operations.is_empty() {
498            return Ok(BulkResult {
499                total: 0,
500                successful: 0,
501                failed: 0,
502                results: Vec::new(),
503                errors: Vec::new(),
504                processing_time_ms: 0,
505            });
506        }
507
508        // Return success for all operations in stub implementation
509        let total = operations.len() as u64;
510        Ok(BulkResult {
511            total,
512            successful: total,
513            failed: 0,
514            results: operations.into_iter().enumerate().map(|(i, op)| BulkOperationResult {
515                index: i as u64,
516                operation_type: op.operation_type,
517                id: op.id,
518                success: true,
519                error: None,
520                version: None,
521                metadata: std::collections::HashMap::new(),
522            }).collect(),
523            errors: Vec::new(),
524            processing_time_ms: 0,
525        })
526    }
527}
528
529/// Algolia search builder
530pub struct AlgoliaSearchBuilder {
531    config: AlgoliaConfig,
532}
533
534impl AlgoliaSearchBuilder {
535    /// Create new builder
536    pub fn new() -> Self {
537        Self {
538            config: AlgoliaConfig::default(),
539        }
540    }
541
542    /// Set application ID
543    pub fn app_id(mut self, app_id: impl Into<String>) -> Self {
544        self.config.app_id = app_id.into();
545        self
546    }
547
548    /// Set API key
549    pub fn api_key(mut self, api_key: impl Into<String>) -> Self {
550        self.config.api_key = api_key.into();
551        self
552    }
553
554    /// Set region
555    pub fn region(mut self, region: impl Into<String>) -> Self {
556        self.config.region = Some(region.into());
557        self
558    }
559
560    /// Set timeout
561    pub fn timeout(mut self, seconds: u64) -> Self {
562        self.config.timeout = seconds;
563        self
564    }
565
566    /// Build Algolia search service
567    pub async fn build(self) -> SearchResult<AlgoliaSearch> {
568        AlgoliaSearch::new(self.config).await
569    }
570}
571
572impl Default for AlgoliaSearchBuilder {
573    fn default() -> Self {
574        Self::new()
575    }
576}