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✨ Added base for lecture plan view

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Patrick Müller 2021-01-30 23:05:44 +01:00 committed by Patrick Müller
parent 81f9e8706c
commit 95f06cc87d
8 changed files with 323 additions and 4 deletions
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12
DHBW-Service.xcodeproj/project.pbxproj
View File

@ -12,6 +12,8 @@
CD2FC0C725A869FE00963178 /* alpaca-alt-icon@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = CD2FC0C325A869FE00963178 /* alpaca-alt-icon@2x.png */; };
CD2FC0C825A869FE00963178 /* alpaca-alt-icon@3x.png in Resources */ = {isa = PBXBuildFile; fileRef = CD2FC0C425A869FE00963178 /* alpaca-alt-icon@3x.png */; };
CD730A35259A860E00E0BB69 /* SettingsAcknowledgements.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD730A34259A860E00E0BB69 /* SettingsAcknowledgements.swift */; };
CD8555BE25C47AE500C4ACD6 /* RaPlaFetcher.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD8555BD25C47AE500C4ACD6 /* RaPlaFetcher.swift */; };
CD8555C325C47B5300C4ACD6 /* ApiService.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD8555C225C47B5300C4ACD6 /* ApiService.swift */; };
CD9FAB81258EC60200D6D0C5 /* DHBW_ServiceApp.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD9FAB80258EC60200D6D0C5 /* DHBW_ServiceApp.swift */; };
CD9FAB83258EC60200D6D0C5 /* ContentView.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD9FAB82258EC60200D6D0C5 /* ContentView.swift */; };
CD9FAB85258EC60600D6D0C5 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = CD9FAB84258EC60600D6D0C5 /* Assets.xcassets */; };
@ -28,6 +30,7 @@
CDDCF4842592028A0027CDC5 /* Localizer.swift in Sources */ = {isa = PBXBuildFile; fileRef = CDDCF4832592028A0027CDC5 /* Localizer.swift */; };
CDDCF493259203390027CDC5 /* Localizable.strings in Resources */ = {isa = PBXBuildFile; fileRef = CDDCF495259203390027CDC5 /* Localizable.strings */; };
CDDCF4A2259203B40027CDC5 /* General.strings in Resources */ = {isa = PBXBuildFile; fileRef = CDDCF4A4259203B40027CDC5 /* General.strings */; };
CDEA70B225C6054F001CFE28 /* LecturePlanList.swift in Sources */ = {isa = PBXBuildFile; fileRef = CDEA70B125C6054F001CFE28 /* LecturePlanList.swift */; };
/* End PBXBuildFile section */
/* Begin PBXContainerItemProxy section */
@ -53,6 +56,8 @@
CD2FC0C325A869FE00963178 /* alpaca-alt-icon@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "alpaca-alt-icon@2x.png"; sourceTree = "<group>"; };
CD2FC0C425A869FE00963178 /* alpaca-alt-icon@3x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "alpaca-alt-icon@3x.png"; sourceTree = "<group>"; };
CD730A34259A860E00E0BB69 /* SettingsAcknowledgements.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SettingsAcknowledgements.swift; sourceTree = "<group>"; };
CD8555BD25C47AE500C4ACD6 /* RaPlaFetcher.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RaPlaFetcher.swift; sourceTree = "<group>"; };
CD8555C225C47B5300C4ACD6 /* ApiService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ApiService.swift; sourceTree = "<group>"; };
CD9FAB7D258EC60200D6D0C5 /* DHBW-Service.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "DHBW-Service.app"; sourceTree = BUILT_PRODUCTS_DIR; };
CD9FAB80258EC60200D6D0C5 /* DHBW_ServiceApp.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DHBW_ServiceApp.swift; sourceTree = "<group>"; };
CD9FAB82258EC60200D6D0C5 /* ContentView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContentView.swift; sourceTree = "<group>"; };
@ -77,6 +82,7 @@
CDDCF4992592033F0027CDC5 /* de */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = de; path = de.lproj/Localizable.strings; sourceTree = "<group>"; };
CDDCF4A3259203B40027CDC5 /* en */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = en; path = en.lproj/General.strings; sourceTree = "<group>"; };
CDDCF4A8259203B80027CDC5 /* de */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = de; path = de.lproj/General.strings; sourceTree = "<group>"; };
CDEA70B125C6054F001CFE28 /* LecturePlanList.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LecturePlanList.swift; sourceTree = "<group>"; };
/* End PBXFileReference section */
/* Begin PBXFrameworksBuildPhase section */
@ -250,6 +256,7 @@
children = (
CDCD721925912E1200FBF2F5 /* HomeView.swift */,
CDD39B4A259A64150078D05F /* SettingsMain.swift */,
CDEA70B125C6054F001CFE28 /* LecturePlanList.swift */,
CD730A33259A85F500E0BB69 /* SettingsSubViews */,
);
path = Tabs;
@ -275,6 +282,8 @@
isa = PBXGroup;
children = (
CDDCF47A2591FE550027CDC5 /* UtilityFunctions.swift */,
CD8555BD25C47AE500C4ACD6 /* RaPlaFetcher.swift */,
CD8555C225C47B5300C4ACD6 /* ApiService.swift */,
);
path = Utility;
sourceTree = "<group>";
@ -431,9 +440,12 @@
CD730A35259A860E00E0BB69 /* SettingsAcknowledgements.swift in Sources */,
CD9FAB83258EC60200D6D0C5 /* ContentView.swift in Sources */,
CDCD72242591316500FBF2F5 /* LocalSettings.swift in Sources */,
CD8555BE25C47AE500C4ACD6 /* RaPlaFetcher.swift in Sources */,
CD8555C325C47B5300C4ACD6 /* ApiService.swift in Sources */,
CD9FAB8D258EC60600D6D0C5 /* DHBW_Service.xcdatamodeld in Sources */,
CDCD721A25912E1200FBF2F5 /* HomeView.swift in Sources */,
CDD39B4B259A64150078D05F /* SettingsMain.swift in Sources */,
CDEA70B225C6054F001CFE28 /* LecturePlanList.swift in Sources */,
CDDCF47B2591FE550027CDC5 /* UtilityFunctions.swift in Sources */,
CD9FAB81258EC60200D6D0C5 /* DHBW_ServiceApp.swift in Sources */,
);

11
DHBW-Service/CoreData/DHBW_Service.xcdatamodeld/DHBW_Service.xcdatamodel/contents
View File

@ -1,8 +1,16 @@
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="17511" systemVersion="20C69" minimumToolsVersion="Automatic" sourceLanguage="Swift" usedWithCloudKit="YES" userDefinedModelVersionIdentifier="">
<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="17709" systemVersion="20D62" minimumToolsVersion="Automatic" sourceLanguage="Swift" usedWithCloudKit="YES" userDefinedModelVersionIdentifier="">
<entity name="Item" representedClassName="Item" syncable="YES" codeGenerationType="class">
<attribute name="timestamp" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
</entity>
<entity name="RaPlaEvent" representedClassName="RaPlaEvent" syncable="YES" codeGenerationType="class">
<attribute name="category" optional="YES" attributeType="String"/>
<attribute name="descr" optional="YES" attributeType="String"/>
<attribute name="endDate" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
<attribute name="location" optional="YES" attributeType="String"/>
<attribute name="startDate" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
<attribute name="summary" optional="YES" attributeType="String"/>
</entity>
<entity name="User" representedClassName="User" syncable="YES" codeGenerationType="class">
<attribute name="course" optional="YES" attributeType="String"/>
<attribute name="director" optional="YES" attributeType="String"/>
@ -11,5 +19,6 @@
<elements>
<element name="Item" positionX="-63" positionY="-18" width="128" height="44"/>
<element name="User" positionX="-63" positionY="-9" width="128" height="74"/>
<element name="RaPlaEvent" positionX="-63" positionY="9" width="128" height="119"/>
</elements>
</model>

89
DHBW-Service/Utility/ApiService.swift Normal file
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@ -0,0 +1,89 @@
//
// ApiService.swift
// DHBW-Service
//
// Created by Patrick Müller on 29.01.21.
//
import Foundation
class ApiService {
// MARK: HTTP POST Request
public class func callPost(url: URL, parameters: [String:Any], finish: @escaping ((message: String, data: Data?)) -> Void) {
var request = URLRequest(url: url)
request.httpMethod = "POST"
request.addValue("application/x-www-form-urlencoded", forHTTPHeaderField: "Content-Type")
request.addValue("application/json", forHTTPHeaderField: "Accept")
// Set params
let postString = self.getPostString(params: parameters)
request.httpBody = postString.data(using: .utf8)
var result: (message: String, data:Data?) = (message: "Fail", data: nil)
let task = URLSession.shared.dataTask(with: request as URLRequest) { data, response, error in
do {
guard error == nil else {
throw HttpFetchError.fetchError
}
guard let data = data else {
throw HttpFetchError.noDataReceivedError
}
result.message = "Success"
result.data = data
} catch let error {
print(error.localizedDescription)
}
finish(result)
}
task.resume()
}
// MARK: HTTP GET Request
public class func callGet(url: URL, finish: @escaping ((message: String, data: Data?)) -> Void) {
var request = URLRequest(url: url)
request.httpMethod = "GET"
//request.addValue("application/x-www-form-urlencoded", forHTTPHeaderField: "Content-Type")
//request.addValue("application/json", forHTTPHeaderField: "Accept")
var result: (message: String, data:Data?) = (message: "Fail", data: nil)
let task = URLSession.shared.dataTask(with: request as URLRequest) { data, response, error in
do {
guard error == nil else {
throw HttpFetchError.fetchError
}
guard let data = data else {
throw HttpFetchError.noDataReceivedError
}
result.message = "Success"
result.data = data
} catch let error {
print(error.localizedDescription)
}
finish(result)
}
task.resume()
}
// MARK: Data preparation
private class func getPostString(params: [String:Any]) -> String {
var data = [String]()
for(key, value) in params{
data.append(key + "=\(value)")
}
return data.map{String($0)}.joined(separator: "&")
}
// MARK: Error enum
private enum HttpFetchError: Error {
case fetchError
case noDataReceivedError
}
}

138
DHBW-Service/Utility/RaPlaFetcher.swift Normal file
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@ -0,0 +1,138 @@
//
// RaPlaFetcher.swift
// DHBW-Service
//
// Created by Patrick Müller on 29.01.21.
//
import Foundation
import CoreData
class RaPlaFetcher {
public class iCalEvent {
var startDate: Date = Date() //DTSTART
var endDate: Date = Date() //DTEND
var summary: String = "" //SUMMARY
var description: String = "" //DESCRIPTION
var location: String = "" //LOCATION
var category: String = "" //CATEGORIES
}
// Get the RaPla file from the given URL and save the events to CoreData
public class func getRaplaFileAndSaveToCoreData(from urlString: String) -> Bool {
let file = getFileAsString(from: urlString)
let eventStrings = splitIntoEvents(file: file)
let eventObjects = convertStringsToObjects(eventStrings: eventStrings)
return saveToCoreData(eventObjects: eventObjects)
}
// Get the RaPla files from the given URL and return the event objects
public class func getRaplaFileAndReturnEvents(from urlString: String) -> [iCalEvent] {
let file = getFileAsString(from: urlString)
let eventStrings = splitIntoEvents(file: file)
return convertStringsToObjects(eventStrings: eventStrings)
}
// GET the file from the given URL and convert it to a String that is then returned
private class func getFileAsString(from urlString: String) -> String {
let url = URL(string: urlString)!
var file: String = ""
do {
file = try String(contentsOf: url, encoding: .utf8)
} catch let error {
print(error.localizedDescription)
}
return file
}
// Split the given ical file string into individual event strings and return them as a list
private class func splitIntoEvents(file: String) -> [String] {
let regexOptions: NSRegularExpression.Options = [.dotMatchesLineSeparators]
// Regex explanation: Matches BEGIN:VEVENT "Any character" END:VEVENT across multiple lines. The *? assures that we receive the
// maximum amount of matches, i.e. it makes the regex non-greedy as we would otherwise just receive one giant match
let eventStrings = UtilityFunctions.regexMatches(for: "BEGIN:VEVENT.*?END:VEVENT", with: regexOptions, in: file)
return eventStrings
}
// Convert an ical event String into an iCalEvent Codable object as defined above
private class func convertStringsToObjects(eventStrings: [String]) -> [iCalEvent] {
var events: [iCalEvent] = []
for eventString in eventStrings {
let lines = eventString.components(separatedBy: .newlines)
let evt = iCalEvent()
for line in lines {
var lineWithoutPrefix = line
if(!line.contains(":")) {
continue
}
lineWithoutPrefix.removeSubrange(lineWithoutPrefix.startIndex...lineWithoutPrefix.firstIndex(of: ":")!)
if(line.hasPrefix("DTSTART")){
//Date format: 20181101T080000
let dateFormatter = DateFormatter()
if(lineWithoutPrefix.contains("Z")){
dateFormatter.dateFormat = "yyyyMMdd'T'HHmmssZ"
} else {
dateFormatter.dateFormat = "yyyyMMdd'T'HHmmss"
}
let date = dateFormatter.date(from: lineWithoutPrefix)!
evt.startDate = date
} else if(line.hasPrefix("DTEND")){
let dateFormatter = DateFormatter()
if(lineWithoutPrefix.contains("Z")){
dateFormatter.dateFormat = "yyyyMMdd'T'HHmmssZ"
} else {
dateFormatter.dateFormat = "yyyyMMdd'T'HHmmss"
}
let date = dateFormatter.date(from: lineWithoutPrefix)!
evt.endDate = date
} else if(line.hasPrefix("SUMMARY")){
evt.summary = lineWithoutPrefix
} else if(line.hasPrefix("DESCRIPTION")){
evt.description = lineWithoutPrefix
} else if(line.hasPrefix("LOCATION")){
evt.location = lineWithoutPrefix
} else if(line.hasPrefix("CATEGORIES")){
evt.category = lineWithoutPrefix
}
}
events.append(evt)
}
return events
}
// Save the given iCalEvent objects to CoreData
private class func saveToCoreData(eventObjects: [iCalEvent]) -> Bool{
// Delete old data
if(UtilityFunctions.deleteAllCoreDataEntitiesOfType(type: "RaPlaEvent")){
for event in eventObjects {
let entity = NSEntityDescription.entity(forEntityName: "RaPlaEvent", in: PersistenceController.shared.context)!
let evt = NSManagedObject(entity: entity, insertInto: PersistenceController.shared.context)
evt.setValue(event.startDate, forKey: "startDate")
evt.setValue(event.endDate, forKey: "endDate")
evt.setValue(event.summary, forKey: "summary")
evt.setValue(event.description, forKey: "descr")
evt.setValue(event.location, forKey: "location")
evt.setValue(event.category, forKey: "category")
}
PersistenceController.shared.save()
return true
} else {
return false
}
}
}

19
DHBW-Service/Utility/UtilityFunctions.swift
View File

@ -9,12 +9,13 @@ import Foundation
import CoreData
class UtilityFunctions {
public class func getCoreDataObject(entity: String) -> [NSManagedObject]{
public class func getCoreDataObject(entity: String, sortDescriptors: [NSSortDescriptor]) -> [NSManagedObject]{
let managedContext =
PersistenceController.shared.context
let fetchRequest =
NSFetchRequest<NSManagedObject>(entityName: entity)
fetchRequest.sortDescriptors = sortDescriptors
do {
return try managedContext.fetch(fetchRequest)
@ -60,4 +61,20 @@ class UtilityFunctions {
return allSuccessful
}
// MARK: Find matches in the given text for the given regex string.
public class func regexMatches(for regex: String, with options: NSRegularExpression.Options, in text: String) -> [String] {
do {
let regex = try NSRegularExpression(pattern: regex, options: options)
let results = regex.matches(in: text,
range: NSRange(text.startIndex..., in: text))
return results.map {
String(text[Range($0.range, in: text)!])
}
} catch let error {
print("invalid regex: \(error.localizedDescription)")
return []
}
}
}

14
DHBW-Service/Views/ContentView.swift
View File

@ -26,6 +26,14 @@ struct ContentView: View {
}
}
.tag(0)
LecturePlanList()
.tabItem {
VStack {
Image(systemName: "calendar")
Text("Lecture Plan")
}
}
.tag(1)
SettingsMain()
.tabItem {
VStack {
@ -33,10 +41,14 @@ struct ContentView: View {
Text("Settings")
}
}
.tag(1)
.tag(2)
}
}
}
.onAppear{
// Called upon the opening of the app
RaPlaFetcher.getRaplaFileAndSaveToCoreData(from: "https://rapla.dhbw-karlsruhe.de/rapla?page=ical&user=eisenbiegler&file=TINF19B4")
}
}
}

2
DHBW-Service/Views/Tabs/HomeView.swift
View File

@ -36,7 +36,7 @@ struct HomeView: View {
extension HomeView{
func readFromCoreData() {
let fetchedData = UtilityFunctions.getCoreDataObject(entity: "User")
let fetchedData = UtilityFunctions.getCoreDataObject(entity: "User", sortDescriptors: [])
if(!fetchedData.isEmpty) {
let user = fetchedData[0]

42
DHBW-Service/Views/Tabs/LecturePlanList.swift Normal file
View File

@ -0,0 +1,42 @@
//
// LecturePlanList.swift
// DHBW-Service
//
// Created by Patrick Müller on 30.01.21.
//
import SwiftUI
import CoreData
struct LecturePlanList: View {
@State private var events: [NSManagedObject] = []
var body: some View {
List {
ForEach(events, id: \.self) { event in
HStack {
Text(formatDate(date: event.value(forKeyPath: "startDate") as! Date))
Text(event.value(forKeyPath: "summary") as! String)
}
}
}.onAppear{
let sectionSortDescriptor = NSSortDescriptor(key: "startDate", ascending: true)
let sortDescriptors = [sectionSortDescriptor]
self.events = UtilityFunctions.getCoreDataObject(entity: "RaPlaEvent", sortDescriptors: sortDescriptors)
}
}
}
struct LecturePlanList_Previews: PreviewProvider {
static var previews: some View {
LecturePlanList()
}
}
extension LecturePlanList {
private func formatDate(date: Date) -> String {
let formatter = DateFormatter()
formatter.dateStyle = .short
return formatter.string(from: date)
}
}