Update to support notes + new style2.0.0

8 files changed, 360 insertions, 0 deletions

diff --git a/Map/Logic/Debouncer.swift b/Map/Logic/Debouncer.swift
new file mode 100644
index 0000000..cd7960a
--- /dev/null
+++ b/Map/Logic/Debouncer.swift
@@ -0,0 +1,21 @@
+import Foundation
+
+class Debouncer {
+
+  // MARK: - Properties
+  private let queue = DispatchQueue.global(qos: .utility)
+  private var workItem = DispatchWorkItem(block: {})
+  private var interval: TimeInterval
+
+  // MARK: - Initializer
+  init(seconds: TimeInterval) {
+    self.interval = seconds
+  }
+
+  // MARK: - Debouncing function
+  func debounce(action: @escaping (() -> Void)) {
+    workItem.cancel()
+    workItem = DispatchWorkItem(block: { action() })
+    queue.asyncAfter(deadline: .now() + interval, execute: workItem)
+  }
+}
diff --git a/Map/Logic/MapParser/MapParser.swift b/Map/Logic/MapParser/MapParser.swift
new file mode 100644
index 0000000..5f78d5d
--- /dev/null
+++ b/Map/Logic/MapParser/MapParser.swift
@@ -0,0 +1,157 @@
+import CoreGraphics
+import Foundation
+
+// MARK: - Types
+
+struct MapParsingPatterns {
+  static let vertex = try! NSRegularExpression(
+    pattern:
+      "([^\\(\\[\\]]*?)[\\s]*\\([\\s]*([0-9]+.?[0-9]*)[\\s]*,[\\s]*([0-9]+.?[0-9]*)[\\s]*\\)[\\s]*(?:\\[(.*?)\\])?",
+    options: .caseInsensitive)
+  static let edge = try! NSRegularExpression(
+    pattern: "(.+?)[\\s]*-([->])[\\s]*(.+)", options: .caseInsensitive)
+  static let blocker = try! NSRegularExpression(
+    pattern: "\\[(Blocker)\\][\\s]*(.+)", options: .caseInsensitive)
+  static let opportunity = try! NSRegularExpression(
+    pattern: "\\[(Evolution)\\][\\s]*(.+)[\\s]+([-+])[\\s]*([0-9]+.?[0-9]*)",
+    options: .caseInsensitive)
+  static let note = try! NSRegularExpression(
+    pattern: "\\[(Note)\\][\\s]*\\([\\s]*([0-9]+.?[0-9]*)[\\s]*,[\\s]*([0-9]+.?[0-9]*)[\\s]*\\)[\\s]*(.*)",
+    options: .caseInsensitive)
+  static let stage = try! NSRegularExpression(
+    pattern: "\\[(I{1,3})\\][\\s]*([0-9]+.?[0-9]*)", options: .caseInsensitive)
+}
+
+struct ParsedMap {
+  let vertices: [Vertex]
+  let edges: [MapEdge]
+  let blockers: [Blocker]
+  let opportunities: [Opportunity]
+  let notes: [Note]
+  let stages: [CGFloat]
+
+  static let empty: ParsedMap = ParsedMap(
+    vertices: [], edges: [], blockers: [], opportunities: [], notes: [], stages: defaultDimensions)
+}
+
+struct Vertex {
+  let id: Int
+  let label: String
+  let position: CGPoint
+  var shape: VertexShape = .circle
+}
+
+struct Note {
+  let id: Int
+  let position: CGPoint
+  let text: String
+}
+
+enum VertexShape: String {
+  case circle
+  case square
+  case triangle
+  case x
+}
+
+struct MapEdge {
+  let id: Int
+  let origin: CGPoint
+  let destination: CGPoint
+  let arrowhead: Bool
+}
+
+struct Blocker {
+  let id: Int
+  let position: CGPoint
+}
+
+struct Opportunity {
+  let id: Int
+  let origin: CGPoint
+  let destination: CGPoint
+}
+
+struct StageDimensions {
+  let index: Int
+  let dimensions: CGFloat
+}
+
+private let defaultDimensions: [CGFloat] = [
+  25.0,
+  50.0,
+  75.0,
+]
+
+// MARK: - MapParserStrategy protocol
+
+protocol MapParserStrategy {
+  func canHandle(line: String) -> Bool
+  func handle(index: Int, line: String, vertices: [String: Vertex]) -> (Any.Type, Any)
+}
+
+struct AnyMapParserStrategy: MapParserStrategy {
+
+  private let base: MapParserStrategy
+
+  init<T: MapParserStrategy>(_ base: T) {
+    self.base = base
+  }
+
+  func canHandle(line: String) -> Bool {
+    return base.canHandle(line: line)
+  }
+  func handle(index: Int, line: String, vertices: [String: Vertex]) -> (Any.Type, Any) {
+    return base.handle(index: index, line: line, vertices: vertices)
+  }
+}
+
+// MARK: - Map Builder
+
+class MapBuilder {
+  var vertices: [String: Vertex] = [:]
+  private var edges: [MapEdge] = []
+  private var blockers: [Blocker] = []
+  private var opportunities: [Opportunity] = []
+  private var notes: [Note] = []
+  private var stages: [CGFloat] = defaultDimensions
+
+  func addObjectToMap(type: Any.Type, object: Any) {
+    if type == Vertex.self {
+      let vertex = object as! Vertex
+      vertices[vertex.label] = vertex
+    }
+
+    if type == MapEdge.self {
+      let edge = object as! MapEdge
+      edges.append(edge)
+    }
+
+    if type == Blocker.self {
+      let blocker = object as! Blocker
+      blockers.append(blocker)
+    }
+
+    if type == Opportunity.self {
+      let opportunity = object as! Opportunity
+      opportunities.append(opportunity)
+    }
+    
+    if type == Note.self {
+      let note = object as! Note
+      notes.append(note)
+    }
+
+    if type == StageDimensions.self {
+      let stageDimensions = object as! StageDimensions
+      stages[stageDimensions.index] = stageDimensions.dimensions
+    }
+  }
+
+  func build() -> ParsedMap {
+    let mappedVertices = vertices.map { label, vertex in return vertex }
+    return ParsedMap(
+      vertices: mappedVertices, edges: edges, blockers: blockers, opportunities: opportunities, notes: notes,
+      stages: stages)
+  }
+}
diff --git a/Map/Logic/MapParser/Strategies/BlockerParserStrategy.swift b/Map/Logic/MapParser/Strategies/BlockerParserStrategy.swift
new file mode 100644
index 0000000..d9b6f22
--- /dev/null
+++ b/Map/Logic/MapParser/Strategies/BlockerParserStrategy.swift
@@ -0,0 +1,26 @@
+import Foundation
+
+struct BlockerParserStrategy: MapParserStrategy {
+  private let regex = MapParsingPatterns.blocker
+
+  func canHandle(line: String) -> Bool {
+    let range = NSRange(location: 0, length: line.utf16.count)
+    let matches = regex.matches(in: String(line), options: [], range: range)
+    return matches.count > 0 && matches[0].numberOfRanges == 3
+  }
+
+  func handle(index: Int, line: String, vertices: [String: Vertex]) -> (Any.Type, Any) {
+    let range = NSRange(location: 0, length: line.utf16.count)
+    let matches = regex.matches(in: String(line), options: [], range: range)
+
+    let match = matches[0]
+    let vertexA = String(line[Range(match.range(at: 2), in: line)!])
+
+    if let vertex = vertices[vertexA] {
+      let blocker = Blocker(id: index, position: vertex.position)
+      return (Blocker.self, blocker)
+    }
+
+    return (NSObject.self, NSObject())  // No matching object
+  }
+}
diff --git a/Map/Logic/MapParser/Strategies/EdgeParserStrategy.swift b/Map/Logic/MapParser/Strategies/EdgeParserStrategy.swift
new file mode 100644
index 0000000..0df1ff4
--- /dev/null
+++ b/Map/Logic/MapParser/Strategies/EdgeParserStrategy.swift
@@ -0,0 +1,32 @@
+import Foundation
+
+struct EdgeParserStrategy: MapParserStrategy {
+  private let regex = MapParsingPatterns.edge
+
+  func canHandle(line: String) -> Bool {
+    let range = NSRange(location: 0, length: line.utf16.count)
+    let matches = regex.matches(in: String(line), options: [], range: range)
+    return matches.count > 0 && matches[0].numberOfRanges == 4
+  }
+
+  func handle(index: Int, line: String, vertices: [String: Vertex]) -> (Any.Type, Any) {
+    let range = NSRange(location: 0, length: line.utf16.count)
+    let matches = regex.matches(in: String(line), options: [], range: range)
+
+    let match = matches[0]
+    let arrowhead = String(line[Range(match.range(at: 2), in: line)!]) == ">"
+    let vertexA = String(line[Range(match.range(at: 1), in: line)!])
+    let vertexB = String(line[Range(match.range(at: 3), in: line)!])
+
+    if let origin = vertices[vertexA] {
+      if let destination = vertices[vertexB] {
+        let edge = MapEdge(
+          id: index, origin: origin.position, destination: destination.position,
+          arrowhead: arrowhead)
+        return (MapEdge.self, edge)
+      }
+    }
+
+    return (NSObject.self, NSObject())  // No matching object
+  }
+}
diff --git a/Map/Logic/MapParser/Strategies/NoteParserStrategy.swift b/Map/Logic/MapParser/Strategies/NoteParserStrategy.swift
new file mode 100644
index 0000000..4dae4c7
--- /dev/null
+++ b/Map/Logic/MapParser/Strategies/NoteParserStrategy.swift
@@ -0,0 +1,31 @@
+import Foundation
+
+struct NoteParserStrategy: MapParserStrategy {
+  private let regex = MapParsingPatterns.note
+
+  func canHandle(line: String) -> Bool {
+    let range = NSRange(location: 0, length: line.utf16.count)
+    let matches = regex.matches(in: String(line), options: [], range: range)
+    return matches.count > 0 && matches[0].numberOfRanges == 5
+  }
+
+  func handle(index: Int, line: String, vertices: [String: Vertex]) -> (Any.Type, Any) {
+    let range = NSRange(location: 0, length: line.utf16.count)
+    let matches = regex.matches(in: String(line), options: [], range: range)
+
+    let match = matches[0]
+    let text = String(line[Range(match.range(at: 4), in: line)!])
+    let xString = String(line[Range(match.range(at: 2), in: line)!])
+    let yString = String(line[Range(match.range(at: 3), in: line)!])
+    let x = CGFloat(truncating: NumberFormatter().number(from: xString) ?? 0.0)
+    let y = CGFloat(truncating: NumberFormatter().number(from: yString) ?? 0.0)
+
+    let note = Note(
+      id: index,
+      position: CGPoint(x: x, y: y),
+      text: text
+    )
+
+    return (Note.self, note)
+  }
+}
diff --git a/Map/Logic/MapParser/Strategies/OpportunityParserStrategy.swift b/Map/Logic/MapParser/Strategies/OpportunityParserStrategy.swift
new file mode 100644
index 0000000..104fd30
--- /dev/null
+++ b/Map/Logic/MapParser/Strategies/OpportunityParserStrategy.swift
@@ -0,0 +1,33 @@
+import Foundation
+
+struct OpportunityParserStrategy: MapParserStrategy {
+  private let regex = MapParsingPatterns.opportunity
+
+  func canHandle(line: String) -> Bool {
+    let range = NSRange(location: 0, length: line.utf16.count)
+    let matches = regex.matches(in: String(line), options: [], range: range)
+    return matches.count > 0 && matches[0].numberOfRanges == 5
+  }
+
+  func handle(index: Int, line: String, vertices: [String: Vertex]) -> (Any.Type, Any) {
+    let range = NSRange(location: 0, length: line.utf16.count)
+    let matches = regex.matches(in: String(line), options: [], range: range)
+
+    let match = matches[0]
+    let multiplier = CGFloat(
+      String(line[Range(match.range(at: 3), in: line)!]) == "-" ? -1.0 : 1.0)
+    let vertex = String(line[Range(match.range(at: 2), in: line)!])
+    let opportunityString = String(line[Range(match.range(at: 4), in: line)!])
+    let opportunity = CGFloat(
+      truncating: NumberFormatter().number(from: opportunityString) ?? 0.0)
+
+    if let origin = vertices[vertex] {
+      let destination = CGPoint(
+        x: origin.position.x + opportunity * multiplier, y: origin.position.y)
+      let opportunity = Opportunity(id: index, origin: origin.position, destination: destination)
+      return (Opportunity.self, opportunity)
+    }
+
+    return (NSObject.self, NSObject())  // No matching object
+  }
+}
diff --git a/Map/Logic/MapParser/Strategies/StageParserStrategy.swift b/Map/Logic/MapParser/Strategies/StageParserStrategy.swift
new file mode 100644
index 0000000..42535fc
--- /dev/null
+++ b/Map/Logic/MapParser/Strategies/StageParserStrategy.swift
@@ -0,0 +1,24 @@
+import Foundation
+
+struct StageParserStrategy: MapParserStrategy {
+  private let regex = MapParsingPatterns.stage
+
+  func canHandle(line: String) -> Bool {
+    let range = NSRange(location: 0, length: line.utf16.count)
+    let matches = regex.matches(in: String(line), options: [], range: range)
+    return matches.count > 0 && matches[0].numberOfRanges == 3
+  }
+
+  func handle(index: Int, line: String, vertices: [String: Vertex]) -> (Any.Type, Any) {
+    let range = NSRange(location: 0, length: line.utf16.count)
+    let matches = regex.matches(in: String(line), options: [], range: range)
+
+    let match = matches[0]
+    let stage = String(line[Range(match.range(at: 1), in: line)!])
+    let dimensionsString = String(line[Range(match.range(at: 2), in: line)!])
+    let dimensions = CGFloat(truncating: NumberFormatter().number(from: dimensionsString) ?? 0.0)
+
+    let stageDimensions = StageDimensions(index: stage.count - 1, dimensions: dimensions)
+    return (StageDimensions.self, stageDimensions)
+  }
+}
diff --git a/Map/Logic/MapParser/Strategies/VertexParserStrategy.swift b/Map/Logic/MapParser/Strategies/VertexParserStrategy.swift
new file mode 100644
index 0000000..10c94a2
--- /dev/null
+++ b/Map/Logic/MapParser/Strategies/VertexParserStrategy.swift
@@ -0,0 +1,36 @@
+import Foundation
+
+struct VertexParserStrategy: MapParserStrategy {
+  private let regex = MapParsingPatterns.vertex
+
+  func canHandle(line: String) -> Bool {
+    let range = NSRange(location: 0, length: line.utf16.count)
+    let matches = regex.matches(in: String(line), options: [], range: range)
+    return matches.count > 0 && matches[0].numberOfRanges >= 4
+  }
+
+  func handle(index: Int, line: String, vertices: [String: Vertex]) -> (Any.Type, Any) {
+    let range = NSRange(location: 0, length: line.utf16.count)
+    let matches = regex.matches(in: String(line), options: [], range: range)
+
+    let match = matches[0]
+    let key = String(line[Range(match.range(at: 1), in: line)!])
+    let xString = String(line[Range(match.range(at: 2), in: line)!])
+    let yString = String(line[Range(match.range(at: 3), in: line)!])
+    let x = CGFloat(truncating: NumberFormatter().number(from: xString) ?? 0.0)
+    let y = CGFloat(truncating: NumberFormatter().number(from: yString) ?? 0.0)
+
+    var vertex = Vertex(
+      id: index,
+      label: key,
+      position: CGPoint(x: x, y: y)
+    )
+
+    if let range = Range(match.range(at: 4), in: line) {
+      let shapeString = String(line[range])
+      vertex.shape = VertexShape(rawValue: shapeString.lowercased()) ?? .circle
+    }
+
+    return (Vertex.self, vertex)
+  }
+}