Access to Measures from REST API

Part 4 of #2588

doc/user/rest-api.txt

@@ -31,3 +31,8 @@ http://localhost:12021              Default base URL
                                     before=yyyy/mm/dd
                                     series=xxx where xxx is one of watts,hr,cad,speed,nm,vam.xPower,NP
                                     Returns an aggregate of the best mean maximal values over the date range
+
+/<athlete>/measures                 List supported measures groups (Body/Hrv for now) 
+/<athlete>/measures/<group>         Fetch Measures from <group> for a Date Range
+                                    since=yyyy/mm/dd
+                                    before=yyyy/mm/dd

src/Core/APIWebService.cpp

@@ -29,6 +29,7 @@
 #include "Zones.h"
 #include "HrZones.h"
 #include "PaceZones.h"
+#include "Measures.h"
 
 #include <QTemporaryFile>
 #include <QFile>
@@ -98,6 +99,15 @@ APIWebService::athleteData(QStringList &paths, HttpRequest &request, HttpRespons
             return;
         }
 
+        // GET Measures
+        if (paths[0] == "measures") {
+
+            // http://localhost:12021/athlete/measures
+            paths.removeFirst();
+            listMeasures(athlete, paths, request, response);
+            return;
+        }
+
     } else if (paths.count() == 3) {
 
         QString athlete = paths[0];
@@ -131,6 +141,16 @@ APIWebService::athleteData(QStringList &paths, HttpRequest &request, HttpRespons
             return;
         }
 
+        // GET Measures
+        if (paths[0] == "measures") {
+
+            // http://localhost:12021/athlete/measures/Body
+            // http://localhost:12021/athlete/measures/Hrv
+            paths.removeFirst();
+            listMeasures(athlete, paths, request, response);
+            return;
+        }
+
      }
 
     // GET HERE ITS BAD!
@@ -606,3 +626,63 @@ APIWebService::listZones(QString athlete, QStringList, HttpRequest &request, Htt
         return;
     }
 }
+
+void
+APIWebService::listMeasures(QString athlete, QStringList paths, HttpRequest &request, HttpResponse &response)
+{
+    // list activities and associated metrics
+    response.setHeader("Content-Type", "text; charset=ISO-8859-1");
+
+    if (paths.isEmpty()) {
+
+        foreach (QString group, Measures().getGroupSymbols()) {
+            response.write(group.toLocal8Bit());
+            response.write("\n");
+        }
+        return;
+    }
+
+    Measures measures = Measures(QDir(home.absolutePath() + "/" + athlete + "/config"), true);
+    int group_index = measures.getGroupSymbols().indexOf(paths[0]);
+    MeasuresGroup* measuresGroup = measures.getGroup(group_index);
+    if (group_index < 0 || measuresGroup == NULL) {
+
+        // unknown group
+        response.setStatus(500);
+        response.write("unknown measures group requested.\n");
+        return;
+    }
+
+    response.write("Date");
+    QStringList field_symbols = measuresGroup->getFieldSymbols();
+    for (int i=0; i<field_symbols.count(); i++) {
+        response.write(", ");
+        response.write(field_symbols[i].toLocal8Bit());
+    }
+
+    // honour the since parameter
+    QString sincep(request.getParameter("since"));
+    QDate since(1900,01,01);
+    if (sincep != "") since = QDate::fromString(sincep,"yyyy/MM/dd");
+    QDate date = measuresGroup->getStartDate();
+    if (since > date) date = since;
+
+    // before parameter
+    QString beforep(request.getParameter("before"));
+    QDate before(3000,01,01);
+    if (beforep != "") before = QDate::fromString(beforep,"yyyy/MM/dd");
+    QDate endDate = measuresGroup->getEndDate();
+    if (before < endDate) endDate = before;
+
+    while (date <= endDate) {
+        response.write("\n");
+        response.write(date.toString("yyyy/MM/dd").toLocal8Bit());
+
+        for (int i=0; i<field_symbols.count(); i++)
+            response.write(QString(", %1").arg(measuresGroup->getFieldValue(date, i)).toLocal8Bit());
+
+        date = date.addDays(1);
+    }
+    response.write("\n");
+
+}

src/Core/APIWebService.h

@@ -49,6 +49,7 @@ class APIWebService : public HttpRequestHandler
         void listActivity(QString athlete, QStringList paths, HttpRequest &request, HttpResponse &response);
         void listMMP(QString athlete, QStringList paths, HttpRequest &request, HttpResponse &response);
         void listZones(QString athlete, QStringList paths, HttpRequest &request, HttpResponse &response);
+        void listMeasures(QString athlete, QStringList paths, HttpRequest &request, HttpResponse &response);
 
         // utility
         void writeRideLine(RideItem &item, HttpRequest *request, HttpResponse *response);