Merge pull request #206 from Holzhaus/move-apputils-to-client-folder

Move app_utils.py

1 files changed, 124 insertions, 0 deletions

diff --git a/client/app_utils.py b/client/app_utils.py
new file mode 100644
index 0000000..cea6881
--- /dev/null
+++ b/client/app_utils.py
@@ -0,0 +1,124 @@
+# -*- coding: utf-8-*-
+import smtplib
+from email.MIMEText import MIMEText
+import urllib2
+import re
+import requests
+from pytz import timezone
+
+
+def sendEmail(SUBJECT, BODY, TO, FROM, SENDER, PASSWORD, SMTP_SERVER):
+    """Sends an HTML email."""
+    for body_charset in 'US-ASCII', 'ISO-8859-1', 'UTF-8':
+        try:
+            BODY.encode(body_charset)
+        except UnicodeError:
+            pass
+        else:
+            break
+    msg = MIMEText(BODY.encode(body_charset), 'html', body_charset)
+    msg['From'] = SENDER
+    msg['To'] = TO
+    msg['Subject'] = SUBJECT
+
+    SMTP_PORT = 587
+    session = smtplib.SMTP(SMTP_SERVER, SMTP_PORT)
+    session.starttls()
+    session.login(FROM, PASSWORD)
+    session.sendmail(SENDER, TO, msg.as_string())
+    session.quit()
+
+
+def emailUser(profile, SUBJECT="", BODY=""):
+    """
+        Sends an email.
+
+        Arguments:
+        profile -- contains information related to the user (e.g., email address)
+        SUBJECT -- subject line of the email
+        BODY -- body text of the email
+    """
+    def generateSMSEmail(profile):
+        """Generates an email from a user's phone number based on their carrier."""
+        if profile['carrier'] is None or not profile['phone_number']:
+            return None
+
+        return str(profile['phone_number']) + "@" + profile['carrier']
+
+    if profile['prefers_email'] and profile['gmail_address']:
+        # add footer
+        if BODY:
+            BODY = profile['first_name'] + \
+                ",<br><br>Here are your top headlines:" + BODY
+            BODY += "<br>Sent from your Jasper"
+
+        recipient = profile['gmail_address']
+        if profile['first_name'] and profile['last_name']:
+            recipient = profile['first_name'] + " " + \
+                profile['last_name'] + " <%s>" % recipient
+    else:
+        recipient = generateSMSEmail(profile)
+
+    if not recipient:
+        return False
+
+    try:
+        if 'mailgun' in profile:
+            user = profile['mailgun']['username']
+            password = profile['mailgun']['password']
+            server = 'smtp.mailgun.org'
+        else:
+            user = profile['gmail_address']
+            password = profile['gmail_password']
+            server = 'smtp.gmail.com'
+        sendEmail(SUBJECT, BODY, recipient, user,
+                  "Jasper <jasper>", password, server)
+
+        return True
+    except:
+        return False
+
+
+def getTimezone(profile):
+    """
+        Returns the pytz timezone for a given profile.
+
+        Arguments:
+        profile -- contains information related to the user (e.g., email address)
+    """
+    try:
+        return timezone(profile['timezone'])
+    except:
+        return None
+
+
+def generateTinyURL(URL):
+    """
+        Generates a compressed URL.
+
+        Arguments:
+        URL -- the original URL to-be compressed
+    """
+    target = "http://tinyurl.com/api-create.php?url=" + URL
+    response = urllib2.urlopen(target)
+    return response.read()
+
+
+def isNegative(phrase):
+    """
+        Returns True if the input phrase has a negative sentiment.
+
+        Arguments:
+        phrase -- the input phrase to-be evaluated
+    """
+    return bool(re.search(r'\b(no(t)?|don\'t|stop|end)\b', phrase, re.IGNORECASE))
+
+
+def isPositive(phrase):
+    """
+        Returns True if the input phrase has a positive sentiment.
+
+        Arguments:
+        phrase -- the input phrase to-be evaluated
+    """
+    return bool(re.search(r'\b(sure|yes|yeah|go)\b', phrase, re.IGNORECASE))