59 lines
1.8 KiB
Swift
59 lines
1.8 KiB
Swift
//
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// SearchProvider.swift
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// App
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//
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// Created by James Magahern on 3/9/21.
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//
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import Foundation
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class SearchProvider
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{
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// Build a provider from a URL template. Template should contain %q or %s
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// which will be replaced with the sanitized query string.
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static func fromTemplate(_ template: String) -> SearchProvider {
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SearchProvider(resolver: { query in
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let sanitized = query.sanitized()
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let replaced = template
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.replacingOccurrences(of: "%q", with: sanitized)
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.replacingOccurrences(of: "%s", with: sanitized)
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return URL(string: replaced) ?? URL(string: "https://google.com/search?q=\(sanitized)&gbv=1")!
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})
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}
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static let google = SearchProvider(resolver: { query in
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// gbv=1: no JS
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URL(string: "https://google.com/search?q=\(query.sanitized())&gbv=1")!
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})
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static let duckduckgo = SearchProvider(resolver: { query in
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// html version is the one without JS
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URL(string: "https://html.duckduckgo.com/html/?q=\(query.sanitized())")!
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})
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static let searxnor = SearchProvider(resolver: { query in
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URL(string: "http://searx.nor/search?q=\(query.sanitized())&categories=general")!
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})
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static let whoogle = SearchProvider(resolver: { query in
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URL(string: "http://whoogle.nor/search?q=\(query.sanitized())")!
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})
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func searchURLWithQuery(_ query: String) -> URL {
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return resolver(query)
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}
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internal let resolver: (String) -> URL
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internal init(resolver: @escaping (String) -> URL) {
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self.resolver = resolver
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}
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}
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fileprivate extension String {
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func sanitized() -> String {
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self
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.replacingOccurrences(of: " ", with: "+")
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.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed)!
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}
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}
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