Initial Prescription model with factory.

Tests/Medication/PrescriptionTest.cs

@@ -0,0 +1,48 @@
+/* PrescriptionTest.cs
+ * part of zaaReloaded2
+ * 
+ * Copyright 2015 Daniel Kraus
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using NUnit.Framework;
+using zaaReloaded2.Medication;
+
+namespace Tests.Medication
+{
+    [TestFixture]
+    class PrescriptionTest
+    {
+        [Test]
+        [TestCase("Ramipril 5 mg 1-2-3", "Ramipril 5 mg", "1", "2", "3")]
+        [TestCase("Ramipril 5 mg 1 -2 - 3", "Ramipril 5 mg", "1", "2", "3")]
+        [TestCase("Ramipril 5 mg 1 - 2 - 3", "Ramipril 5 mg", "1", "2", "3")]
+        [TestCase("Ramipril  5 mg  1 - 2 - 3", "Ramipril 5 mg", "1", "2", "3")]
+        [TestCase("Ramipril 5 mg 1 1/2-2-3", "Ramipril 5 mg", "1 1/2", "2", "3")]
+        [TestCase("Ramipril 5 mg 1 1/2 - 2 - 3", "Ramipril 5 mg", "1 1/2", "2", "3")]
+        [TestCase("Ramipril 5 mg ½-⅓-¼", "Ramipril 5 mg", "½", "⅓", "¼")]
+        public void ParseLine(string line, string drug, string morning,
+            string noon, string evening)
+        {
+            Prescription p = Prescription.FromLine(line);
+            Assert.AreEqual(drug, p.Drug, "Drug should be " + drug);
+            Assert.AreEqual(morning, p.Morning, "Morning should be " + morning);
+            Assert.AreEqual(noon, p.Noon, "Noon should be " + noon);
+            Assert.AreEqual(evening, p.Evening, "Evening should be " + evening);
+        }
+    }
+}

Tests/Tests.csproj

@@ -83,6 +83,7 @@
     <Compile Include="Controller\Comments\CommentPoolTest.cs" />
     <Compile Include="Controller\Comments\ItemCommentTest.cs" />
     <Compile Include="Controller\Elements\CloneTest.cs" />
+    <Compile Include="Medication\PrescriptionTest.cs" />
     <Compile Include="SerializationTest.cs" />
     <Compile Include="Controller\SettingsRepositoryTest.cs" />
     <Compile Include="Controller\SettingsTest.cs" />

zaaReloaded2/Medication/Prescription.cs

@@ -0,0 +1,99 @@
+/* Prescription.cs
+ * part of zaaReloaded2
+ * 
+ * Copyright 2015 Daniel Kraus
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace zaaReloaded2.Medication
+{
+    /// <summary>
+    /// Represents a prescription
+    /// </summary>
+    public class Prescription
+    {
+        #region Factory
+
+        /// <summary>
+        /// Creates a new Prescription object by parsing a line (e.g.,
+        /// from a physician's letter).
+        /// </summary>
+        /// <param name="line">Line to parse</param>
+        /// <returns>Prescription created from the <paramref name="Line"/></returns>
+        public static Prescription FromLine(string line)
+        {
+            // Replace any runs of whitespace with a single space
+            // (from http://stackoverflow.com/a/206946/270712)
+            line = Regex.Replace(line, @"\s+", " ");
+            Match m = lineRegex.Match(line);
+            int n = m.Groups[DOSING_GROUP].Captures.Count;
+
+            return new Prescription(
+                m.Groups["drug"].Value,
+                n > 0 ? m.Groups[DOSING_GROUP].Captures[0].Value : String.Empty,
+                n > 1 ? m.Groups[DOSING_GROUP].Captures[1].Value : String.Empty,
+                n > 2 ? m.Groups[DOSING_GROUP].Captures[2].Value : String.Empty,
+                n > 3 ? m.Groups[DOSING_GROUP].Captures[3].Value : String.Empty
+                );
+        }
+
+        #endregion
+
+        #region Properties
+
+        public string Drug { get; set; }
+
+        public string Morning { get; set; }
+
+        public string Noon { get; set; }
+
+        public string Evening { get; set; }
+
+        public string Night { get; set; }
+
+        #endregion
+
+        #region Constructor
+
+        public Prescription() { }
+
+        public Prescription(string drug, string morning, string noon,
+            string evening, string night)
+        {
+            Drug = drug;
+            Morning = morning;
+            Noon = noon;
+            Evening = evening;
+            Night = night;
+        }
+
+        #endregion
+
+        #region Fields
+
+        private const string DOSING_GROUP = "dosing";
+        private const string DOSING = @"(\d{1,3}((\s1)?/[234])?|[\u00bd\u2153\u00bc])";
+        private const string SPACER = @"\s*[-\u2012\u2013\u2014]+\s*";
+        private static readonly Regex lineRegex = new Regex(
+            @"(?<drug>.+?)\s(?<dosing>" + DOSING + 
+            @")(\s?[-\u2012\u2013\u2014]+\s?(?<dosing>" + DOSING + @")){1,3}");
+
+        #endregion
+    }
+}

zaaReloaded2/zaaReloaded2.csproj

@@ -221,6 +221,7 @@
     <Compile Include="Formatter\DanielsStyle.cs" />
     <Compile Include="Formatter\DocumentWriter.cs" />
     <Compile Include="Formatter\NoLaboratoryDataException.cs" />
+    <Compile Include="Medication\Prescription.cs" />
     <Compile Include="Preferences.cs" />
     <Compile Include="Ribbon.cs" />
     <Compile Include="Thesaurus\ThesaurusBase.cs" />