This filter converts date/time values into relative time strings such as "an hour ago".

It will be used in later commits. --- app.py | 50 +++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 49 insertions(+), 1 deletion(-)

diff --git a/app.py b/app.py index b4d7e41..0e0564a 100644 --- a/app.py +++ b/app.py @@ -11,10 +11,11 @@ from io import BytesIO import coffee_db as db import time import sys -from datetime import date, timedelta +from datetime import date, timedelta, datetime, timezone

from json import loads from requests import post +import jinja2

db.init_db() app = Flask(__name__) @@ -22,6 +23,53 @@ CORS(app, supports_credentials=True) app.secret_key = b'_5#y2L"F4Q8z\n\xec]/'

+# Inspired by https://shubhamjain.co/til/how-to-render-human-readable-time-in-jinja/, +# updated to our needs +def humanize_ts(time): + """ + Convert date in ISO format to relative, human readable string + like 'an hour ago', 'Yesterday', '3 months ago', + 'just now', etc + """ + if jinja2.is_undefined(time): + return time + now = datetime.now(timezone.utc) + if time[-1] == 'Z': # Convert Zulu time zone to datetime compatible format + time = time[0:-1] + '+00:00' + diff = now - datetime.fromisoformat(time) + second_diff = diff.seconds + day_diff = diff.days + + if day_diff < 0: + return '' + + if day_diff == 0: + if second_diff < 10: + return "just now" + if second_diff < 60: + return str(int(second_diff)) + " seconds ago" + if second_diff < 120: + return "a minute ago" + if second_diff < 3600: + return str(int(second_diff / 60)) + " minutes ago" + if second_diff < 7200: + return "an hour ago" + if second_diff < 86400: + return str(int(second_diff / 3600)) + " hours ago" + if day_diff == 1: + return "Yesterday" + if day_diff < 7: + return str(day_diff) + " days ago" + if day_diff < 31: + return str(int(day_diff / 7)) + " weeks ago" + if day_diff < 365: + return str(int(day_diff / 30)) + " months ago" + return str(int(day_diff / 365)) + " years ago" + + +app.jinja_env.filters['humanize'] = humanize_ts + + @app.route('/') def hello(): if "uid" in session:

Compared to the previous version of the patch, now the main logic resides in templates/user.html. I think that this way it is a bit easier to understand what's going on.

The stuff in main.js related to eventName variable needs to be updated or cleaned up. I think I didn't get how it was supposed to work in the previous version of the patch. --- app.py | 15 +++++++++-- coffee_db.py | 23 +++++++++++++++++ templates/main.js | 31 ++++++++++++++++++++++- templates/user.html | 62 +++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 128 insertions(+), 3 deletions(-)

diff --git a/app.py b/app.py index 0e0564a..14a2684 100644 --- a/app.py +++ b/app.py @@ -115,11 +115,14 @@ def user(): counts=counts, identifiers=db.list_user_identifiers(uid), iid=session["iid"], - stamp=time.time() + stamp=time.time(), + last_events=db.last_events() ) # TODO: Replace stamp parameter with proper cache control HTTP # headers in response - return render_template('user.html', stamp=time.time()) + return render_template('user.html', stamp=time.time(), + last_events=db.last_events(), + )

@app.route('/user/rename') @@ -265,6 +268,14 @@ def coffee_add(): return redirect(url_for('user'))

+@app.route("/event", methods=["POST"]) +def event_add(): + json = request.json + print("User '%(uid)s' registered event %(event_name)s at %(time)s" % json) + db.add_event(json["uid"], json["event_name"], json["time"]) + return redirect(url_for('user')) + + # TODO: Remove me - unused @app.route("/coffee/count") def coffee_count(): diff --git a/coffee_db.py b/coffee_db.py index 25551f9..5a9206f 100644 --- a/coffee_db.py +++ b/coffee_db.py @@ -99,6 +99,15 @@ def add_coffee(uid, flavor, time=None): c.execute("insert or ignore into coffees (id, flavor, time) values (?,?,?)", (uid, flavor, time)) close_db(conn)

+ +def add_event(uid, event_name, time): + conn, c = open_db() + c.execute("""insert into events (user_id, event_type, time) + values (?, (SELECT id FROM event_types WHERE name = ?), ?)""", + (uid, event_name, time)) + close_db(conn) + + def flavors(): conn, c = open_db() res = list(c.execute("select distinct name, ord from flavors")) @@ -193,3 +202,17 @@ def drink_count(uid=None, start=None, stop=None): "left join identifiers ids on co.id = ids.id where " + " and ".join(clauses) + " group by fl.type " "order by fl.ord asc", args)) + + +def last_events(): + """Return mapping with event names as keys and SQLite time string of + the last event as values. + """ + + conn, c = open_db() + + res = dict(c.execute("""select name, MAX(time) + from events as e left join event_types as et on e.event_type = et.id + group by name""")) + close_db(conn) + return res diff --git a/templates/main.js b/templates/main.js index 417dc40..ac1fc7b 100644 --- a/templates/main.js +++ b/templates/main.js @@ -29,6 +29,9 @@ function replayOfflineQueue() { }

var flavorChosen; +var eventName; // TODO... +var eventStatus; +var eventAction;

// Central function to update UI elements. To ensure that the UI is // consistent, other code should only change state variables and then @@ -48,8 +51,14 @@ function updateUI()

if (id_user !== undefined) { document.getElementById("nextStep").innerHTML = "Now select a beverage on the coffee machine…"; - } else { + } else if (flavorChosen !== undefined) { document.getElementById("nextStep").innerHTML = "Enjoy your " + flavorChosen + "!"; + // clean the coffee machine makes it cleaned + // ^ Action ^ Name ^ Status + } else if (eventStatus !== undefined && eventStatus !== "") { + document.getElementById("nextStep").innerHTML = "You have " + eventStatus + " the " + eventName + ". Thanks!"; + } else { + document.getElementById("nextStep").innerHTML = "Event '" + eventAction + "' reported for the " + eventName + ". Thanks!"; }

if (timeToLogout !== undefined) @@ -171,6 +180,7 @@ function logout() { id_user = undefined; timeToLogout = undefined; identifier_registration = false; + window.scrollTo(0, 0); // Scroll up }

function countingTimeLogout(count_time) @@ -212,6 +222,25 @@ function addCoffee(flavor, time = new Date()) { } }

+ +function addEvent(event_name, time = new Date()) { + var data = JSON.stringify({ + time: time.toISOString(), + event_name: event_name, + uid: id_user + }); + if (id_user) { + ajax("POST", "event", data, "user"); + id_user = undefined; + eventName = name; // TODO... + eventStatus = status; + eventAction = action; + countingTimeLogout(10); //mean 10 seconds + window.scrollTo(0, 0); // Scroll up + } +} + + function addIdentifier_start() { identifier_registration = true; document.getElementById("addIdentifier").disabled = true; diff --git a/templates/user.html b/templates/user.html index 5ad7b90..ed0156d 100644 --- a/templates/user.html +++ b/templates/user.html @@ -1,3 +1,26 @@ +<style> +.events { + margin: 0.8em; + margin-bottom: 1.5em; + padding: 2px; + border-spacing: 2em 0; + text-align: center; +} + +.events-list { + border: 1px solid black; + padding: 0.5em; + display: inline-block; + vertical-align: top; +} + +.events-list h4 { + margin: 0.5ex; + margin-bottom: 1ex; + border-bottom: 1px dashed black; +} +</style> + {% if name %} <form style="position: absolute; right: 15%; width: 15%; height: 15%;"> <button type="button" id="logout_button" onclick="logout()" style="width: 100%; height: 100%;">logout</button> @@ -77,3 +100,42 @@ <img src="{{ url_for('coffee_graph_history', _external=True, stamp=stamp) }}"> <img src="{{ url_for('coffee_graph_flavors', _external=True, stamp=stamp, days=7) }}"> {% endif %} + + <br /> + <form> + <h3>{{ "Record event" if name else "Events" }}:</h3> + {% macro event_box(title, events) -%} + <div class="events-list"> + <h4>{{title}}</h4> + {% set verb = { + "COFFEE_MACHINE_CLEANED": "cleaned", + "COFFEE_PACK_OPENED": "opened", + "COFFEE_PACK_LAST_OPENED": "last opened", + "MILK_CONTAINER_CLEANED": "cleaned", + "MILK_CONTAINER_PILL_CLEANED": "pill cleaned", + } + %} + {% if name %} {# User logged in - show action buttons #} + {% for event in events %} + <input type="button" value="{{ verb[event] }}" + onclick="addEvent('{{ event }}')" /> + ({{ last_events[event] | humanize if event in last_events else "never" }}) + <br /> + {% endfor %} + {% else %} {# Nobody logged in - show last times #} + {# Calculate maximum timestamp of all relevant events #} + {% set when = last_events.items() | selectattr(0, 'in', events) | map(attribute=1) | max | humanize %} + {% if when %} + {{ verb[events[0]] }} {{ when }} + {% else %} + never {{ verb[events[0]] }} + {% endif %} + {% endif %} + </div> + {%- endmacro %} + <div class="events"> + {{ event_box('Coffee machine', ['COFFEE_MACHINE_CLEANED'] ) }} + {{ event_box('Coffee pack', ['COFFEE_PACK_OPENED', 'COFFEE_PACK_LAST_OPENED'] ) }} + {{ event_box('Milk container', ['MILK_CONTAINER_CLEANED', 'MILK_CONTAINER_PILL_CLEANED'] ) }} + </div> + </form>

I deliberately ignored warnings about long lines and a few more. --- app.py | 11 ++++++----- coffee_db.py | 28 ++++++++++++++++++++++------ 2 files changed, 28 insertions(+), 11 deletions(-)

diff --git a/app.py b/app.py index 14a2684..81bfbf1 100644 --- a/app.py +++ b/app.py @@ -1,9 +1,7 @@ from flask import Flask, render_template, send_file, request, session, redirect, url_for, make_response from flask_cors import CORS

-import numpy as np import matplotlib -matplotlib.use('Agg') import matplotlib.pyplot as plt from matplotlib.ticker import MaxNLocator from io import BytesIO @@ -17,6 +15,8 @@ from json import loads from requests import post import jinja2

+matplotlib.use('Agg') + db.init_db() app = Flask(__name__) CORS(app, supports_credentials=True) @@ -158,13 +158,13 @@ def user_disable_identifier(): json = request.json if "uid" in session and "id" in json: db.disable_user_identifier(session["uid"], json["id"]) - return logout() # force logout + return logout() # force logout

@app.route("/coffee/graph_flavors") def coffee_graph_flavors(): - days = request.args.get('days', default = 0, type = int) - start = request.args.get('start', default = 0, type = int) + days = request.args.get('days', default=0, type=int) + start = request.args.get('start', default=0, type=int)

b = BytesIO() if "uid" in session: @@ -299,6 +299,7 @@ def log(): return data return "nope"

+ @app.route("/tellCoffeebot", methods=["POST"]) def tell_coffeebot(): err = "Don't worry now! There is a NEW HOPE Tonda is buying NEW PACK!" diff --git a/coffee_db.py b/coffee_db.py index 5a9206f..7d692c7 100644 --- a/coffee_db.py +++ b/coffee_db.py @@ -5,26 +5,31 @@ dbdir = os.path.dirname(__file__) dbdef = os.path.join(dbdir, "coffee_db.sql") dbfile = os.path.join(dbdir, "coffee.db")

+ def open_db(): conn = sqlite3.connect(dbfile) c = conn.cursor() return conn, c

+ def close_db(conn): conn.commit() conn.close()

+ def init_db(): conn, c = open_db() with open(dbdef, "r") as f: c.executescript(f.read()) close_db(conn)

+ def add_user(uid): conn, c = open_db() c.execute("insert or ignore into users (id) values (?)", (uid,)) close_db(conn)

+ def add_user_identifier(uid, iid, name): # Check if this identifier is not currently associated with different account if not get_uid(iid): @@ -44,19 +49,22 @@ def add_user_identifier(uid, iid, name):

close_db(conn)

+ def disable_user_identifier(uid, iid): conn, c = open_db() c.execute("update identifiers set active = 0 where userid = ? and id = ?", (uid, iid, )) close_db(conn)

+ def get_name(uid): conn, c = open_db() - for name, in c.execute("select name from users where id = ?",(uid,)): + for name, in c.execute("select name from users where id = ?", (uid,)): close_db(conn) return name close_db(conn) return None

+ def get_uid(iid): conn, c = open_db() res = list(c.execute(""" @@ -66,22 +74,26 @@ def get_uid(iid):

return res[0][0] if len(res) > 0 else None

+ def name_user(uid, name): conn, c = open_db() c.execute("update users set name = ? where id = ?", (name, uid)) close_db(conn)

+ def rename_user_identifier(uid, iid, name): conn, c = open_db() c.execute("update identifiers set name = ? where userid = ? and id = ?", (name, uid, iid, )) close_db(conn)

+ def list_users(): conn, c = open_db() for row in c.execute("select * from users"): print(row) close_db(conn)

+ def list_user_identifiers(uid): conn, c = open_db() res = list(c.execute(""" @@ -94,7 +106,7 @@ def list_user_identifiers(uid): def add_coffee(uid, flavor, time=None): conn, c = open_db() if time is None: - c.execute("insert into coffees (id, flavor) values (?,?)", (uid,flavor)) + c.execute("insert into coffees (id, flavor) values (?,?)", (uid, flavor)) else: c.execute("insert or ignore into coffees (id, flavor, time) values (?,?,?)", (uid, flavor, time)) close_db(conn) @@ -114,8 +126,10 @@ def flavors(): close_db(conn) return res

+ def coffee_flavors(uid=None, days=0, start=0): - """Returns flavor statistics for team/user during selected period/since beginning. + """Returns flavor statistics for team/user during selected + period/since beginning.

days -- number of days for computation start -- shift size from the current time @@ -131,7 +145,7 @@ def coffee_flavors(uid=None, days=0, start=0): variables = list()

if days is not None and days != 0: - query += " where date(time) between date('now', 'localtime', '-"+ str(days+start-1) +" days') and date('now', 'localtime', '-"+ str(start) +" days')" + query += " where date(time) between date('now', 'localtime', '-" + str(days+start-1) + " days') and date('now', 'localtime', '-" + str(start) + " days')"

if uid is not None: query += " and ids.userid = ? and ids.active" @@ -151,6 +165,7 @@ def coffee_flavors(uid=None, days=0, start=0): close_db(conn) return res

+ def coffee_history(uid=None): conn, c = open_db()

@@ -170,12 +185,13 @@ def coffee_history(uid=None): left join (select date(time, 'localtime') as time,flavor from coffees co left join identifiers ids on co.id = ids.id where ids.userid = ? and ids.active) c on d = date(c.time) group by d, c.flavor - """ - , (uid,))) + """, + (uid,)))

close_db(conn) return res

+ def drink_count(uid=None, start=None, stop=None): """Return a list of tuples ('<drink type>', <count>).