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getAllNewsletterSources as apiGetAllNewsletterSources,
updateNewsletter as apiUpdateNewsletter,
} from "@common/api";
import { newsletterGroupService } from "@common/services/newsletterGroup/NewsletterGroupService";
import { optimizedNewsletterService } from "@common/services/optimizedNewsletterService";
import { Newsletter, NewsletterGroup, NewsletterSource } from "@common/types";
import { logger as appLogger } from "@common/utils/logger";
import {
buildSearchParams as utilBuildSearchParams,
validateSearchFilters as utilValidateSearchFilters,
} from "../utils/searchUtils";
export interface SearchServiceDependencies {
getAllNewsletterSources: typeof apiGetAllNewsletterSources;
updateNewsletter: typeof apiUpdateNewsletter;
newsletterService: typeof optimizedNewsletterService;
newsletterGroupService: {
getGroups: () => Promise<NewsletterGroup[]>;
};
logger: {
error: (message: string, context?: Record<string, unknown>, error?: Error) => void;
info: (message: string, context?: Record<string, unknown>) => void;
debug: (message: string, context?: Record<string, unknown>) => void;
};
window: Pick<Window, "location" | "history" | "localStorage">;
buildSearchParams: typeof utilBuildSearchParams;
validateSearchFilters: typeof utilValidateSearchFilters;
}
export interface SearchFilters {
selectedSources: string[];
selectedGroups: string[];
archivedStatus: "all" | "archived" | "active";
dateFrom: string;
dateTo: string;
}
export interface SearchOptions {
query: string;
filters: SearchFilters;
page: number;
itemsPerPage: number;
}
export interface SearchResult {
data: Newsletter[];
count: number;
page: number;
hasMore: boolean;
totalPages: number;
}
export interface SearchState {
results: Newsletter[];
loading: boolean;
error: string | null;
searchPerformed: boolean;
totalCount: number;
currentPage: number;
hasMore: boolean;
}
class SearchService {
private static readonly RECENT_SEARCHES_KEY = "newsletter_recent_searches";
private static readonly MAX_RECENT_SEARCHES = 10;
private readonly deps: SearchServiceDependencies;
constructor(dependencies: SearchServiceDependencies) {
this.deps = dependencies;
}
private get log() {
return this.deps.logger;
}
/**
* Performs a search with the given options
*/
async search(options: SearchOptions): Promise<SearchResult> {
const { query, filters, page, itemsPerPage } = options;
// Validate search query
if (!query.trim()) {
throw new Error("Search query cannot be empty");
}
// Validate filters
const validation = this.deps.validateSearchFilters(filters);
if (!validation.isValid) {
throw new Error(validation.errors.join(", "));
}
// Build search parameters
const searchParams = this.deps.buildSearchParams(query, filters, {
page,
itemsPerPage,
});
try {
const response = await this.deps.newsletterService.getAll({
...searchParams,
search: query,
limit: itemsPerPage,
offset: (page - 1) * itemsPerPage,
});
return {
data: response.data || [],
count: response.count || 0,
page: response.page || page,
hasMore: response.hasMore || false,
totalPages: Math.ceil((response.count || 0) / itemsPerPage),
};
} catch (error) {
this.log.error(
"Search failed",
{
action: "search_newsletters",
metadata: {
query: options.query,
page: options.page,
filters: options.filters,
},
},
error instanceof Error ? error : new Error(String(error)),
);
throw new Error("Failed to search newsletters. Please try again.");
}
}
/**
* Get all newsletter sources for filtering
*/
async getSources(): Promise<NewsletterSource[]> {
try {
const response = await this.deps.getAllNewsletterSources();
return response.data || [];
} catch (error) {
this.log.error(
"Failed to load newsletter sources",
{
action: "get_sources",
metadata: {},
},
error instanceof Error ? error : new Error(String(error)),
);
throw new Error("Failed to load newsletter sources");
}
}
/**
* Gets all newsletter groups for filtering
*/
async getGroups(): Promise<NewsletterGroup[]> {
try {
const response = await this.deps.newsletterGroupService.getGroups();
return response;
} catch (error) {
this.log.error(
"Failed to load newsletter groups",
{
action: "get_groups",
metadata: {},
},
error instanceof Error ? error : new Error(String(error)),
);
throw new Error("Failed to load newsletter groups");
}
}
/**
* Marks a newsletter as read and archives it
*/
async markAsReadAndArchive(newsletterId: string): Promise<void> {
try {
this.log.debug("Updating newsletter status", {
action: "mark_as_read_and_archive",
metadata: { newsletterId },
});
// Update both read and archived status in one call
await this.deps.updateNewsletter({
id: newsletterId,
is_read: true,
is_archived: true,
});
this.log.info("Newsletter marked as read and archived", {
action: "mark_as_read_and_archive",
metadata: { newsletterId },
});
} catch (error) {
this.log.error(
"Failed to mark newsletter as read and archive",
{
action: "mark_as_read_and_archive",
metadata: { newsletterId },
},
error instanceof Error ? error : new Error(String(error)),
);
throw new Error("Failed to update newsletter status");
}
}
/**
* Opens newsletter detail view and updates status
*/
async openNewsletterDetail(newsletterId: string): Promise<void> {
try {
this.log.info("Opening newsletter detail", {
action: "open_newsletter_detail",
metadata: { newsletterId },
});
// Update newsletter status
await this.markAsReadAndArchive(newsletterId);
// Navigate to detail view
this.log.debug("Navigating to newsletter detail", {
action: "open_newsletter_detail",
metadata: { newsletterId, url: `/newsletters/${newsletterId}` },
});
this.deps.window.location.href = `/newsletters/${newsletterId}`;
} catch (error) {
this.log.error(
"Failed to open newsletter detail",
{
action: "open_newsletter_detail",
metadata: { newsletterId },
},
error instanceof Error ? error : new Error(String(error)),
);
// Still navigate even if status update fails
this.deps.window.location.href = `/newsletters/${newsletterId}`;
}
}
/**
* Saves a search query to recent searches
*/
saveRecentSearch(query: string): void {
if (!query.trim()) return;
const recentSearches = this.getRecentSearches();
const updatedSearches = [
query.trim(),
...recentSearches.filter((search) => search !== query.trim()),
].slice(0, SearchService.MAX_RECENT_SEARCHES);
this.setRecentSearches(updatedSearches);
}
/**
* Gets recent searches from localStorage
*/
getRecentSearches(): string[] {
try {
const saved = this.deps.window.localStorage.getItem(
SearchService.RECENT_SEARCHES_KEY,
);
return saved ? JSON.parse(saved) : [];
} catch (error) {
this.log.error(
"Failed to parse recent searches",
{
action: "get_recent_searches",
metadata: {},
},
error instanceof Error ? error : new Error(String(error)),
);
return [];
}
}
/**
* Sets recent searches in localStorage
*/
private setRecentSearches(searches: string[]): void {
try {
this.deps.window.localStorage.setItem(
SearchService.RECENT_SEARCHES_KEY,
JSON.stringify(searches),
);
} catch (error) {
this.log.error(
"Failed to save recent searches",
{
action: "set_recent_searches",
metadata: { searchCount: searches.length },
},
error instanceof Error ? error : new Error(String(error)),
);
}
}
/**
* Removes a specific search from recent searches
*/
removeRecentSearch(query: string): void {
const recentSearches = this.getRecentSearches();
const updatedSearches = recentSearches.filter((search) => search !== query);
this.setRecentSearches(updatedSearches);
}
/**
* Clears all recent searches
*/
clearRecentSearches(): void {
try {
this.deps.window.localStorage.removeItem(
SearchService.RECENT_SEARCHES_KEY,
);
} catch (error) {
this.log.error(
"Failed to clear recent searches",
{
action: "clear_recent_searches",
metadata: {},
},
error instanceof Error ? error : new Error(String(error)),
);
}
}
/**
* Creates default search filters
*/
createDefaultFilters(): SearchFilters {
return {
selectedSources: [],
selectedGroups: [],
archivedStatus: "active",
dateFrom: "",
dateTo: "",
};
}
/**
* Creates initial search state
*/
createInitialState(): SearchState {
return {
results: [],
loading: false,
error: null,
searchPerformed: false,
totalCount: 0,
currentPage: 1,
hasMore: false,
};
}
/**
* Checks if filters are applied (not default)
*/
hasFiltersApplied(filters: SearchFilters): boolean {
const defaultFilters = this.createDefaultFilters();
return (
filters.selectedSources.length > 0 ||
filters.selectedGroups.length > 0 ||
filters.archivedStatus !== defaultFilters.archivedStatus ||
filters.dateFrom !== defaultFilters.dateFrom ||
filters.dateTo !== defaultFilters.dateTo
);
}
/**
* Resets filters to default values
*/
resetFilters(): SearchFilters {
return this.createDefaultFilters();
}
/**
* Builds URL search parameters for browser history
*/
buildUrlParams(query: string, page?: number): URLSearchParams {
const params = new URLSearchParams();
if (query.trim()) {
params.set("q", query.trim());
}
if (page && page > 1) {
params.set("page", page.toString());
}
return params;
}
/**
* Parses URL search parameters
*/
parseUrlParams(searchParams: URLSearchParams): {
query: string;
page: number;
} {
return {
query: searchParams.get("q") || "",
page: parseInt(searchParams.get("page") || "1", 10),
};
}
/**
* Updates browser URL with search state
*/
updateUrl(query: string, page?: number): void {
const params = this.buildUrlParams(query, page);
const newUrl = `/search${params.toString() ? `?${params.toString()}` : ""}`;
this.deps.window.history.pushState({ path: newUrl }, "", newUrl);
}
/**
* Validates search input
*/
validateSearchInput(query: string): { isValid: boolean; error?: string } {
if (!query.trim()) {
return { isValid: false, error: "Search query cannot be empty" };
}
if (query.trim().length < 2) {
return {
isValid: false,
error: "Search query must be at least 2 characters long",
};
}
if (query.length > 500) {
return {
isValid: false,
error: "Search query is too long (maximum 500 characters)",
};
}
return { isValid: true };
}
/**
* Formats search error for display
*/
formatSearchError(error: unknown): string {
if (error instanceof Error) {
return error.message;
}
if (typeof error === "string") {
return error;
}
return "An unexpected error occurred while searching";
}
/**
* Checks if search results are empty
*/
hasResults(state: SearchState): boolean {
return state.results.length > 0;
}
/**
* Checks if search is in progress
*/
isSearching(state: SearchState): boolean {
return state.loading;
}
/**
* Checks if search has been performed
*/
hasSearched(state: SearchState): boolean {
return state.searchPerformed;
}
/**
* Gets search statistics for display
*/
getSearchStats(state: SearchState): {
totalResults: number;
currentPage: number;
totalPages: number;
hasMore: boolean;
} {
return {
totalResults: state.totalCount,
currentPage: state.currentPage,
totalPages: Math.ceil(state.totalCount / 20), // Default page size
hasMore: state.hasMore,
};
}
}
// Factory function to create SearchService instance
export const createSearchService = (
deps: SearchServiceDependencies,
): SearchService => {
return new SearchService(deps);
};
// Export singleton instance - created lazily
let searchServiceInstance: SearchService | null = null;
export const searchService = (): SearchService => {
if (!searchServiceInstance) {
const deps: SearchServiceDependencies = {
getAllNewsletterSources: apiGetAllNewsletterSources,
updateNewsletter: apiUpdateNewsletter,
newsletterService: optimizedNewsletterService,
newsletterGroupService: newsletterGroupService,
logger: appLogger,
window: window,
buildSearchParams: utilBuildSearchParams,
validateSearchFilters: utilValidateSearchFilters,
};
searchServiceInstance = new SearchService(deps);
}
return searchServiceInstance;
};
export { SearchService };
export default searchService; |