First Version

modules/logs/__init__.py

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+import endpoints

modules/logs/endpoints.py

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+import datetime
+import os
+from flask import Blueprint, request, send_from_directory, json
+from flask_classy import FlaskView, route
+from modules import cbpi
+
+
+class LogView(FlaskView):
+
+    @route('/', methods=['GET'])
+    def get_all_logfiles(self):
+        result = []
+        for filename in os.listdir("./logs"):
+            if filename.endswith(".log"):
+                result.append(filename)
+        return json.dumps(result)
+
+    @route('/actions')
+    def actions(self):
+        filename = "./logs/action.log"
+        if os.path.isfile(filename) == False:
+            return
+        import csv
+        array = []
+        with open(filename, 'rb') as f:
+            reader = csv.reader(f)
+            for row in reader:
+                try:
+                    array.append([int((datetime.datetime.strptime(row[0], "%Y-%m-%d %H:%M:%S") - datetime.datetime(1970, 1, 1)).total_seconds()) * 1000, row[1]])
+                except:
+                    pass
+        return json.dumps(array)
+
+    @route('/<file>', methods=["DELETE"])
+    def clearlog(self, file):
+        """
+        Overload delete method to shutdown sensor before delete
+        :param id: sensor id
+        :return: HTTP 204
+        """
+        if not self.check_filename(file):
+            return ('File Not Found', 404)
+
+        filename = "./logs/%s" % file
+        if os.path.isfile(filename) == True:
+            os.remove(filename)
+            cbpi.notify("log deleted succesfully", "")
+        else:
+            cbpi.notify("Failed to delete log", "", type="danger")
+        return ('', 204)
+
+    def read_log_as_json(self, type, id):
+        filename = "./logs/%s_%s.log" % (type, id)
+        if os.path.isfile(filename) == False:
+            return
+
+        import csv
+        array = []
+        with open(filename, 'rb') as f:
+            reader = csv.reader(f)
+            for row in reader:
+                try:
+                    array.append([int((datetime.datetime.strptime(row[0], "%Y-%m-%d %H:%M:%S") - datetime.datetime(1970, 1, 1)).total_seconds()) * 1000, float(row[1])])
+                except:
+                    pass
+        return array
+
+
+    @route('/<t>/<int:id>', methods=["POST"])
+    def get_logs_as_json(self, t, id):
+        data = request.json
+        result = []
+        if t == "s":
+            name = cbpi.cache.get("sensors").get(id).name
+            result.append({"name": name, "data": self.read_log_as_json("sensor", id)})
+
+        if t == "k":
+            kettle = cbpi.cache.get("kettle").get(id)
+            result.append({"name": "Temp", "data": self.read_log_as_json("sensor", kettle.sensor)})
+            result.append({"name": "Target Temp", "data": self.read_log_as_json("kettle", kettle.id)})
+
+        if t == "f":
+            fermenter = cbpi.cache.get("fermenter").get(id)
+            result.append({"name": "Temp", "data": self.read_log_as_json("sensor", fermenter.sensor)})
+            result.append({"name": "Target Temp", "data": self.read_log_as_json("fermenter", fermenter.id)})
+        return json.dumps(result)
+
+    @route('/download/<file>')
+    @cbpi.nocache
+    def download(self, file):
+        if not self.check_filename(file):
+            return ('File Not Found', 404)
+        return send_from_directory('../logs', file, as_attachment=True, attachment_filename=file)
+
+    def check_filename(self, name):
+        import re
+        pattern = re.compile('^([A-Za-z0-9-_])+.log$')
+
+        return True if pattern.match(name) else False
+
+@cbpi.initalizer()
+def init(app):
+    """
+    Initializer for the message module
+    :param app: the flask app
+    :return: None
+    """
+    print "INITIALIZE LOG MODULE"
+    LogView.register(cbpi.app, route_base='/api/logs')