move parsing to parsing.gs; write a simple parser for a demographics line

Code.gs

@@ -1,3 +1,5 @@
+
+
 function onOpen() {
   var ui = SpreadsheetApp.getUi();
 

parsing.gs

@@ -0,0 +1,53 @@
+/* The "Intern" age is an implementation detail. */
+ages = ["Adult", "Child", "Intern"]
+/* These genders are not representative of the totality, but because I'm
+ * programming to a spec these are the choices. */
+genders = ["Male", "Female", "Unknown", "Other"]
+/* This sounds wrong but it's the data we need to output. */
+ethnicities = ["Hispanic", "Not Hispanic"]
+/* Sorry in advance. */
+races = [
+  "American Indian/Alaskan Native",
+  "Asian",
+  "Black/African American",
+  "Native Hawaiian/Other Pacific Islander",
+  "White",
+  "More than one race",
+  "Unknown",
+]
+
+/* These are for brevity -- they're as they appear on the form.
+ * The form should be at ./demographic-information-form.pdf. */
+age_shortcodes = ["A", "C", "I"]
+gender_shortcodes = ["M", "F", "U", "O"]
+ethnicity_shortcodes = ["H", "NH"]
+race_shortcodes = ["AI/AN", "AS", "B/AA", "NH/OPI", "WH", "1+", "UNK"]
+
+function parseDemographicsLine(line) {
+  /* Take a row of the Demographics Data spreadsheet, then parse it into a dictionary. */
+  site_name = line[0]
+  count = Number(line[1])
+  age = ages[age_shortcodes.indexOf(line[2])]
+  gender = genders[gender_shortcodes.indexOf(line[3])]
+  ethnicity = ethnicities[ethnicity_shortcodes.indexOf(line[4])]
+  race = races[race_shortcodes.indexOf(line[5])]
+
+  return Array(count).fill({
+    site: site_name,
+    age: age,
+    gender: gender,
+    ethnicity: ethnicity,
+    race: race,
+  })
+}
+
+function parseDemographicsLineTest() {
+  console.log(parseDemographicsLine([
+    "Testing site",
+    5,
+    "A",
+    "M",
+    "NH",
+    "B/AA"
+  ]))
+}