AutoCat/AutoCat/Controllers/FiltersController.swift
2020-06-21 11:52:38 +03:00

118 lines
4.8 KiB
Swift

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