1 files changed, 106 insertions, 7 deletions

diff --git a/dashboard_website/db.py b/dashboard_website/db.py
index cda29dc..450360c 100644
--- a/dashboard_website/db.py
+++ b/dashboard_website/db.py
@@ -1,6 +1,10 @@
 # stores and manages clue DB
 # also manages currently available bike teams
-import csv
+import csv, time
+
+# time since last ping before deactivating/deleting
+BIKE_TIMEOUT = 180 
+BIKE_DELETE = 1800 # time before bike deletes itself
 
 # data structures
 class Point:
@@ -13,6 +17,14 @@ class Point:
                      'latitude' : self.latitude}
         return json_dict
     
+    def setCoords(self, lat, long):
+        self.longitude = long
+        self.latitude = lat
+
+    def move(self, d_lat, d_long):
+        self.longitude += d_long
+        self.latitude += d_lat
+
     def __str__(self):
         return f"{self.longitude},{self.latitude}"
 
@@ -24,6 +36,9 @@ class Clue(Point):
         self.info = info
         self.status = status # UNVISITED | VISITED 
     
+    def visit(self):
+        self.status = "VISITED"
+
     def toJSON(self):
         json_dict = {'longitude' : self.longitude,
                      'latitude' : self.latitude,
@@ -37,29 +52,106 @@ class Bike(Point):
         self.longitude = long
         self.latitude = lat
         self.name = name
+        self.last_contact = time.time()
+        self.target = "N/A"
         self.status = status # ACTIVE | INACTIVE
     
+    def setTarget(self, clue_name):
+        self.target = clue_name
+
+    def ping(self):
+        self.status = "ACTIVE"
+        self.last_contact = time.time()
+    
+    def checkStatus(self):
+        if time.time() - self.last_contact > BIKE_TIMEOUT:
+            self.status = "INACTIVE"
+            if time.time() - self.last_contact > BIKE_DELETE:
+                return -1
+        return 0
+
     def toJSON(self):
         json_dict = {'longitude' : self.longitude,
                      'latitude' : self.latitude,
+                     'time_since_last_contact' : time.time()-self.last_contact,
                      'team_name' : self.name,
-                     'team_status' : self.status}
+                     'team_status' : self.status,
+                     'target_clue' : self.target}
         return json_dict
 
 # variables
 homeBase = Point(42.340226, -71.088395) # krentzman, can be changed on dashboard
 clues = []
+bikes = []
+clues_last_changed = time.time()
+home_last_changed = time.time()
 
 
 
 # interface functions
+def getTime():
+    return time.time()
+
+def getHomeBaseJSON(timestamp):
+    if timestamp < 0 or home_last_changed - timestamp > 0:
+        return homeBase.toJSON()
+    return False
 
-def getHomeBaseJSON():
-    return homeBase.toJSON()
+def setHomeBase(latitude, longitude):
+    homeBase.setCoords(latitude, longitude)
+    home_last_changed = time.time()
 
-def getCluesJSON():
-    return [x.toJSON() for x in clues]
 
+def addBike(team_name, latitude, longitude):
+    for bike in bikes:
+        if bike.name == team_name: # already exists
+            bike.ping()
+            bike.setCoords(latitude, longitude)
+            return # return code indicating already exists, although status still OK 
+    newBike = Bike(latitude, longitude, team_name, "ACTIVE")
+    bikes.append(newBike)
+
+def pingBike(team_name, latitude, longitude):
+    for bike in bikes:
+        if bike.name == team_name:
+            bike.ping()
+            bike.setCoords(latitude, longitude)
+            break
+    else: # bike team does not exist yet
+        newBike = Bike(latitude, longitude, team_name, "ACTIVE")
+        bikes.append(newBike)
+
+
+def getBikesJSON():
+    global bikes
+    bikes = [x for x in bikes if x.checkStatus() >= 0]
+    return [x.toJSON() for x in bikes]
+
+
+def getCluesJSON(timestamp):
+    if timestamp < 0 or clues_last_changed - timestamp > 0:
+        return [x.toJSON() for x in clues]
+    return False
+
+def addClue(clue_name, clue_info, longitude, latitude, visited="UNVISITED"):
+    newClue = Clue(latitude, longitude, clue_name, clue_info, visited)
+    clues.append(newClue)
+    clues_last_changed = time.time()
+
+def deleteClue(clue_name):
+    for i, clue in enumereate(clues):
+        if clue.name == clue_name:
+            clues.pop(i)
+            clues_last_changed = time.time()
+            break
+
+def visitClue(clue_name):
+    for clue in clues:
+        if clue.name == clue_name:
+            clue.visit()
+            clues_last_changed = time.time()
+
+# junk for testing
 with open("all_clues.csv", newline='') as f:
     csvreader = csv.reader(f, delimiter=',', quotechar='"')
     i = 1
@@ -69,4 +161,11 @@ with open("all_clues.csv", newline='') as f:
 
         newClue = Clue(coords[0], coords[1], f"Clue #{i}", row[0], "UNVISITED" if i < 50 else "VISITED")
         clues.append(newClue)
-        i += 1
\ No newline at end of file
+        i += 1
+
+bike1 = Bike(42.340226, -71.088395, 'speedster', 'ACTIVE')
+bike2 = Bike(42.320226, -71.100395, 'slowpoke', "ACTIVE")
+bike1.setTarget("Clue #6")
+def moveBike2Test():
+    bike1.move(0, -0.001); bike1.ping();
+bikes.append(bike1); bikes.append(bike2)
\ No newline at end of file