118 lines
4.8 KiB
Swift
118 lines
4.8 KiB
Swift
import UIKit
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import Eureka
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import RxSwift
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class FiltersController: FormViewController {
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var done = false
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var filter: Filter!
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var onDone: (() -> Void)?
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var regions: [Region] = []
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let bag = DisposeBag()
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override func viewDidLoad() {
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super.viewDidLoad()
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form +++ Section("Main filters") { $0.tag = "MainFilters" }
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<<< PushRow<String>("Brand") { row in
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row.title = "Brand"
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row.value = self.filter.brand ?? "Any"
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row.selectorTitle = "Brands"
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row.optionsProvider = .lazy({ form, completion in
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Api.getBrands().observeOn(MainScheduler.instance).subscribe(onNext: { brands in
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completion(["Any"] + brands)
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}, onError: { error in
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print("Get brands error: ", error)
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}).disposed(by: self.bag)
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})
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}.onPresent(removeSectionName(from:to:))
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.onChange { self.filter.brand = $0.value == "Any" ? nil : $0.value }
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.cellUpdate { $1.value = self.filter.brand ?? "Any" }
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<<< PushRow<String>("Model") { row in
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row.title = "Model"
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row.value = self.filter.model ?? "Any"
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row.disabled = "$Brand == 'Any'"
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row.optionsProvider = .lazy({ form, completion in
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guard let brand = self.filter.brand else {
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completion(["Any"])
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return
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}
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Api.getModels(of: brand).observeOn(MainScheduler.instance).subscribe(onNext: { models in
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completion(["Any"] + models)
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}, onError: { error in
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print("Get models error: ", error)
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}).disposed(by: self.bag)
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})
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}.onPresent(removeSectionName(from:to:))
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.onChange { self.filter.model = $0.value == "Any" ? nil : $0.value }
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.cellUpdate { $1.value = self.filter.model ?? "Any" }
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<<< PushRow<String>("Color") { row in
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row.title = "Color"
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row.value = self.filter.color ?? "Any"
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row.optionsProvider = .lazy({ form, completion in
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Api.getColors().observeOn(MainScheduler.instance).subscribe(onNext: { colors in
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completion(["Any"] + colors)
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}, onError: { error in
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print("Get colors error: ", error)
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}).disposed(by: self.bag)
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})
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}.onPresent(removeSectionName(from:to:))
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.onChange { self.filter.color = $0.value == "Any" ? nil : $0.value }
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.cellUpdate { $1.value = self.filter.color ?? "Any" }
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form +++ Section() { $0.tag = "Regions" }
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<<< LabelRow("RegionsRow") { row in
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row.title = "Regions"
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row.value = self.filter.regions?.map(String.init).joined(separator: ",") ?? "Any"
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row.cellUpdate { cell, _ in
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cell.accessoryType = .disclosureIndicator
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row.value = self.filter.regions?.map(String.init).joined(separator: ",") ?? "Any"
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}
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}
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.onCellSelection { cell, row in
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let sb = UIStoryboard(name: "Main", bundle: nil)
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let vc = sb.instantiateViewController(identifier: "RegionsController") as RegionsController
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vc.regionCodes = self.filter.regions ?? []
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vc.onDone = { regions in
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row.value = regions?.map(String.init).joined(separator: ",") ?? "Any"
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self.filter.regions = regions
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}
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self.navigationController?.pushViewController(vc, animated: true)
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}
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form +++ Section()
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<<< ButtonRow("ClearAll") { $0.title = "Clear all filters" }.onCellSelection { cell, row in
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self.filter.clear()
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for section in self.form.allSections {
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// For some reason certain cells do not redraw after first reload
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section.reload()
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section.reload()
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}
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}
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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self.done = false
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}
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override func viewWillDisappear(_ animated: Bool) {
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super.viewWillDisappear(animated)
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if self.done {
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self.onDone?()
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}
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}
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@IBAction func onDone(_ sender: UIBarButtonItem) {
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self.done = true
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self.navigationController?.popViewController(animated: true)
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}
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func removeSectionName(from: FormViewController, to: SelectorViewController<SelectorRow<PushSelectorCell<String>>>) {
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to.sectionKeyForValue = { _ in "" }
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}
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}
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