#355

naucse/data/stats.yml

@@ -0,0 +1,40 @@
+entries:
+
+ - label: active_runs
+ text:
+ - '%d právě probíhající kurz'
+ - '%d právě probíhající kurzy'
+ - '%d právě probíhajících kurzů'
+
+ - label: all_runs
+ text:
+ - '%d kurz celkem'
+ - '%d kurzy celkem'
+ - '%d kurzů celkem'
+
+ - label: sessions_delivered
+ text:
+ - '%d lekci odučeno'
+ - '%d lekce odučeno'
+ - '%d lekcí odučeno'
+
+ - label: sessions_available
+ text:
+ - 'materiály pro %d lekci'
+ - 'materiály pro %d různé lekce'
+ - 'materiály pro %d různých lekcí'
+
+ - label: cheatsheets
+ text:
+ - '%d tahák'
+ - '%d taháky'
+ - '%d taháků'
+
+ - label: contributors
+ text:
+ - '%d autor'
+ - '%d autoři'
+ - '%d autorů'
+
+ - label: price
+ text: '%d Kč'

naucse/static/css/index.css

@@ -46,3 +46,14 @@ nav.header * {
  background-color: #296e62;
  outline-color: #3fb0ac;
 }
+
+.statlabels {
+ text-align: center;
+}
+
+.statlabel {
+ font-size: 1.5rem;
+ margin: 0.3rem;
+ color: #FFF;
+ background-color: #3b4f5a;
+}

naucse/templates/index.html

@@ -49,6 +49,14 @@ <h1 class="display-3">Nauč se Python!</h1>
  </div>
  </div>
 
+ <div class="row">
+ <div class="statlabels">
+ {% for stat_label in stat_labels.entries %}
+ <span class="badge statlabel statlabel-{{stat_label.label}}">{{ stat_label|fill_label }}</span>
+ {% endfor %}
+ </div>
+ </div>
+
  </div>
  </div>
 

naucse/utils/views.py

@@ -232,3 +232,27 @@ def get_edit_info(edit_path):
  "page_name": get_edit_page_name(),
  "url": edit_link(edit_path)
  }
+
+def czech_plural(text, n):
+ """
+ Chooses the Czech plural form based on n.
+ This either gets and immediately returns a string,
+ or it gets a list of 3 strings:
+ * for 1 item
+ * for 2-4 items
+ * for the rest
+ Picks the right one and returns it.
+ Uses the more modern option where e.g. 21 is NOT pluralized as 1
+ http://prirucka.ujc.cas.cz/?id=792
+ """
+ if isinstance(text, str):
+ return text
+
+ # we don't expect negative numbers here, but just to be sure
+ n = abs(n)
+
+ if n == 1:
+ return text[0]
+ if 1 < n < 5:
+ return text[1]
+ return text[2]

naucse/views.py

@@ -28,8 +28,11 @@
 from naucse.utils.views import does_course_return_info
 from naucse.utils.views import raise_errors_from_forks
 from naucse.utils.views import page_content_cache_key, get_edit_info
+from naucse.utils.views import czech_plural
 from naucse.validation import DisallowedStyle, DisallowedElement, InvalidHTML
 
+import yaml
+
 # so it can be mocked
 import naucse.utils.views
 
@@ -44,7 +47,6 @@
 
 _cached_model = None
 
-
 @LocalProxy
 def model():
  """Return the root of the naucse model
@@ -97,10 +99,19 @@ def session_url(course, session, coverpage='front'):
  coverpage=coverpage)
 
 
+def load_stat_labels():
+ datafile = os.path.join(os.path.dirname(__file__), 'data/stats.yml')
+ with open(datafile) as fstr:
+ stat_labels = yaml.load(fstr)
+
+ return stat_labels
+
+
 @app.route('/')
 def index():
  return render_template("index.html",
- edit_info=get_edit_info(Path(".")))
+ edit_info=get_edit_info(Path(".")),
+ stat_labels=load_stat_labels())
 
 
 @app.route('/runs/')
@@ -172,23 +183,28 @@ def runs(year=None, all=None):
  edit_info=get_edit_info(model.runs_edit_path))
 
 
+def safe_courses():
+ courses = []
+
+ for course in model.courses.values():
+ if not course.is_link():
+ if not course.is_meta:
+ courses.append(course)
+ elif naucse.utils.views.forks_enabled() and does_course_return_info(course):
+ courses.append(course)
+
+ return courses
+
 @app.route('/courses/')
 def courses():
  # since even the basic info about the forked courses can be broken,
  # we need to make sure the required info is provided.
  # If ``RAISE_FORK_ERRORS`` is set, exceptions are raised here,
  # otherwise the course is ignored completely.
- safe_courses = []
-
- for course in model.courses.values():
- if not course.is_link():
- if not course.is_meta:
- safe_courses.append(course)
- elif naucse.utils.views.forks_enabled() and does_course_return_info(course):
- safe_courses.append(course)
+ courses = safe_courses()
 
  return render_template("course_list.html",
- courses=safe_courses,
+ courses=courses,
  title="Seznam online kurzů Pythonu",
  edit_info=get_edit_info(model.courses_edit_path))
 
@@ -920,3 +936,75 @@ def course_calendar_ics(course):
  abort(404)
 
  return Response(str(calendar), mimetype="text/calendar")
+
+def active_runs():
+ today = datetime.date.today()
+
+ runs = (model.runs_from_year(today.year) +
+ model.runs_from_year(today.year - 1) +
+ model.runs_from_year(today.year - 2))
+ ongoing = [run for run in runs if
+ run.start_date <= today and run.end_date >= today]
+
+ return len(ongoing)
+
+def all_runs():
+ all_years = list(model.safe_run_years.keys())
+
+ return sum([len(model.runs_from_year(year)) for year in all_years])
+
+def sessions_delivered():
+ today = datetime.date.today()
+ all_years = list(model.safe_run_years.keys())
+
+ all_runs = []
+ for year in all_years:
+ all_runs.extend(model.runs_from_year(year))
+
+ all_sessions = []
+ for run in all_runs:
+ all_sessions.extend(list(run.sessions.values()))
+
+ return len([session for session in all_sessions if session.date < today])
+
+def sessions_available():
+ uniq_sessions = {}
+ for course in safe_courses():
+ for session in course.sessions.values():
+ uniq_sessions[session.slug] = session
+
+ return len(uniq_sessions)
+
+def cheatsheets():
+ sheets = 0
+ for course in safe_courses():
+ for session in course.sessions.values():
+ for material in session.materials:
+ if (material.url_type == 'cheatsheet'):
+ sheets += 1
+
+ return sheets
+
+
+# This could use some caching, but for now it's the simplest way
+def basic_stat(name):
+ if name == 'active_runs':
+ return active_runs()
+ elif name == 'all_runs':
+ return all_runs()
+ elif name == 'sessions_delivered':
+ return sessions_delivered()
+ elif name == 'sessions_available':
+ return sessions_available()
+ elif name == 'cheatsheets':
+ return cheatsheets()
+ else: # contributors, price
+ return 0
+
+@app.template_filter('fill_label')
+def fill_label(label):
+ stat_number = basic_stat(label['label'])
+
+ formatstr = czech_plural(label['text'], stat_number)
+
+ return formatstr % stat_number