1 files changed, 128 insertions, 0 deletions
diff --git a/migrations.py b/migrations.py
new file mode 100644
index 0000000..c93fd0f
--- /dev/null
+++ b/migrations.py
@@ -0,0 +1,128 @@
+import os
+import csv
+import sqlite3
+
+LATEST_DATA={}
+
+def create_tables():
+    print('creating tables')
+    db_conn = sqlite3.connect('./poller/data/data.sqlite3')
+    c = db_conn.cursor()
+    sql = f'CREATE TABLE IF NOT EXISTS `alertlevel` (time DATETIME PRIMARY KEY NOT NULL, color CHAR(50) NOT NULL);'
+    c.execute(sql)
+    sql = f'CREATE TABLE IF NOT EXISTS `total` (time DATETIME PRIMARY KEY NOT NULL, total_students INT NOT NULL, total_staff INT NOT NULL);'
+    c.execute(sql)
+    sql = f'CREATE TABLE IF NOT EXISTS `new` (time DATETIME PRIMARY KEY NOT NULL, new_students INT NOT NULL, new_staff INT NOT NULL);'
+    c.execute(sql)
+    sql = f'CREATE TABLE IF NOT EXISTS `quarantine` (time DATETIME PRIMARY KEY NOT NULL, quarantine_on_campus INT NOT NULL, quarantine_off_campus INT NOT NULL);'
+    c.execute(sql)
+    sql = f'CREATE TABLE IF NOT EXISTS `isolation` (time DATETIME PRIMARY KEY NOT NULL, isolation_on_campus INT NOT NULL, isolation_off_campus INT NOT NULL);'
+    c.execute(sql)
+    sql = f'CREATE TABLE IF NOT EXISTS `beds` (time DATETIME PRIMARY KEY NOT NULL, beds_available INT NOT NULL);'
+    c.execute(sql)
+    sql = f'CREATE TABLE IF NOT EXISTS `tests` (time DATETIME PRIMARY KEY NOT NULL, tests_administered INT NOT NULL);'
+    c.execute(sql)
+    db_conn.commit()
+    db_conn.close()
+
+def update_db():
+    db_conn = sqlite3.connect('./poller/data/data.sqlite3')
+    c = db_conn.cursor()
+    sql = f'INSERT INTO `alertlevel` VALUES (\'{LATEST_DATA["last_updated"]}\', \'{LATEST_DATA["alert_level"]}\');'
+    c.execute(sql)
+    sql = f'INSERT INTO `total` VALUES (\'{LATEST_DATA["last_updated"]}\', {LATEST_DATA["total_students"]}, {LATEST_DATA["total_staff"]});'
+    c.execute(sql)
+    sql = f'INSERT INTO `new` VALUES (\'{LATEST_DATA["last_updated"]}\', {LATEST_DATA["new_students"]}, {LATEST_DATA["new_staff"]});'
+    c.execute(sql)
+    sql = f'INSERT INTO `quarantine` VALUES (\'{LATEST_DATA["last_updated"]}\', {LATEST_DATA["quarantine_on_campus"]}, {LATEST_DATA["quarantine_off_campus"]});'
+    c.execute(sql)
+    sql = f'INSERT INTO `isolation` VALUES (\'{LATEST_DATA["last_updated"]}\', {LATEST_DATA["isolation_on_campus"]}, {LATEST_DATA["isolation_off_campus"]});'
+    c.execute(sql)
+    sql = f'INSERT INTO `beds` VALUES (\'{LATEST_DATA["last_updated"]}\', {LATEST_DATA["beds_available"]});'
+    c.execute(sql)
+    sql = f'INSERT INTO `tests` VALUES (\'{LATEST_DATA["last_updated"]}\', {LATEST_DATA["tests_administered"]});'
+    c.execute(sql)
+    db_conn.commit()
+    db_conn.close()
+
+def get_latest_from_db():
+
+    db_conn = sqlite3.connect('./poller/data/data.sqlite3')
+    c = db_conn.cursor()
+    sql = 'SELECT max(alertlevel.time), alertlevel.color, total.total_students, total.total_staff, new.new_students, new.new_staff, ' + \
+        'quarantine.quarantine_on_campus, quarantine.quarantine_off_campus, isolation.isolation_on_campus, isolation.isolation_off_campus, ' + \
+        'beds.beds_available, tests.tests_administered ' + \
+        'FROM `alertlevel` ' + \
+        'INNER JOIN `total` ' + \
+        'ON alertlevel.time = total.time ' + \
+        'INNER JOIN `new` ' + \
+        'ON alertlevel.time = new.time ' + \
+        'INNER JOIN `quarantine` ' + \
+        'ON alertlevel.time = quarantine.time ' + \
+        'INNER JOIN `isolation` ' + \
+        'ON alertlevel.time = isolation.time ' + \
+        'INNER JOIN `beds` ' + \
+        'ON alertlevel.time = beds.time ' + \
+        'INNER JOIN `tests` ' + \
+        'ON alertlevel.time = tests.time'
+    c.execute(sql)
+    d = c.fetchone()
+    data = {
+        'alert_level': d[1],        
+        'total_students': d[2],
+        'total_staff': d[3],
+        'new_students': d[4],
+        'new_staff': d[5],
+        'quarantine_on_campus': d[6],
+        'quarantine_off_campus': d[7],
+        'isolation_on_campus': d[8],
+        'isolation_off_campus': d[9],
+        'beds_available': d[10],
+        'tests_administered': d[11],
+        'last_updated': d[0]
+    }
+    return data
+
+def db_is_same():
+    global LATEST_DATA
+    latest_data = get_latest_from_db()
+    if latest_data is None or LATEST_DATA is None:
+        return False
+    for key in list(latest_data.keys()):
+        if key != 'last_updated' and LATEST_DATA[key] != latest_data[key]:
+            return False
+    return True
+
+if not os.path.exists('./poller'):
+    os.mkdir('./poller')
+if not os.path.exists('./poller/data')
+    os.mkdir('./poller/data')
+
+create_tables()
+
+with open('historical_data.csv', 'r') as csvfile:
+    print('importing data...')
+    csvreader = csv.reader(csvfile)
+    firstRow = True
+    for row in csvreader:
+        if firstRow: 
+            firstRow = False
+            continue
+        LATEST_DATA = {
+            'alert_level': str(row[1]),        
+            'total_students': int(row[4]),
+            'total_staff': int(row[5]),
+            'new_students': int(row[2]),
+            'new_staff': int(row[3]),
+            'quarantine_on_campus': int(row[6]),
+            'quarantine_off_campus': int(row[7]),
+            'isolation_on_campus': int(row[8]),
+            'isolation_off_campus': int(row[9]),
+            'beds_available': int(row[11]),
+            'tests_administered': int(row[10]),
+            'last_updated': f'{row[0]} 16:00:00'
+        }
+        if not db_is_same():
+            update_db()
+    print('data imported!')
+