Dactyloidae iOS initial commit

mobile/ios/ReadingList/ReadingListFetchSpec.swift

@@ -0,0 +1,87 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+import Foundation
+
+// TODO This should really use NSURLComponents to build up the query part. And not string ops.
+
+class ReadingListFetchSpec {
+    var queryString: String
+
+    init(queryString: String) {
+        self.queryString = queryString
+    }
+
+    func getURL(serviceURL: URL) -> URL? {
+        if var components = URLComponents(url: serviceURL, resolvingAgainstBaseURL: true) {
+            components.query = queryString
+            return components.url
+        }
+        return nil
+    }
+
+    func getURL(serviceURL: URL, path: String) -> URL? {
+        if var components = URLComponents(url: serviceURL, resolvingAgainstBaseURL: true) {
+            components.path = path
+            components.query = queryString
+            return components.url
+        }
+        return nil
+    }
+
+    // This should really generate a dictionary of values that we can pass to NSURLComponents instead of building the query string by hand
+
+    class Builder {
+        var buffer: String = ""
+        var first = true
+
+        func build() -> ReadingListFetchSpec {
+            return ReadingListFetchSpec(queryString: buffer)
+        }
+
+        fileprivate func ampersand() {
+            if first {
+                first = false
+                return
+            }
+            buffer += "&"
+        }
+
+        func setUnread(_ unread: Bool) -> Builder {
+            ampersand()
+            buffer += "unread="
+            buffer += unread ? "true" : "false"
+            return self
+        }
+
+        func setStatus(_ status: String, not: Bool) -> Builder {
+            ampersand()
+            if not {
+                buffer += "not_"
+            }
+            buffer += "status="
+            buffer += status
+            return self
+        }
+
+        fileprivate func qualifyAttribute(_ attribute: String, withQualifier qualifier: String, value: String) -> Builder {
+            ampersand()
+            buffer += qualifier
+            buffer += attribute
+            buffer += "="
+            buffer += value
+            return self
+        }
+
+        func setMinAttribute(_ attribute: String, value: String) -> Builder {
+            _ = qualifyAttribute(attribute, withQualifier: "min_", value: value)
+            return self
+        }
+
+        func setMaxAttribute(_ attribute: String, value: String) -> Builder {
+            _ = qualifyAttribute(attribute, withQualifier: "max_", value: value)
+            return self
+        }
+    }
+}