From 7d3a08128bcadd562e7eaa48644c830ed166c98c Mon Sep 17 00:00:00 2001
From: emkael <emkael@tlen.pl>
Date: Tue, 31 Dec 2019 13:19:48 +0100
Subject: Migrating JFR match results to result info client model

---
 jfr_playoff/data/match/__init__.py |   9 ++
 jfr_playoff/data/match/jfrdb.py    |  75 +++++++++++++++
 jfr_playoff/data/match/jfrhtml.py  | 192 +++++++++++++++++++++++++++++++++++++
 3 files changed, 276 insertions(+)

(limited to 'jfr_playoff/data/match')

diff --git a/jfr_playoff/data/match/__init__.py b/jfr_playoff/data/match/__init__.py
index 7db05c2..6137078 100644
--- a/jfr_playoff/data/match/__init__.py
+++ b/jfr_playoff/data/match/__init__.py
@@ -4,3 +4,12 @@ from jfr_playoff.data.info import ResultInfoClient
 class MatchInfoClient(ResultInfoClient):
     def get_match_link(self):
         raise NotImplementedError
+
+    def fetch_teams(self, teams):
+        raise NotImplementedError
+
+    def board_count(self):
+        raise NotImplementedError
+
+    def running_link(self):
+        raise NotImplementedError
diff --git a/jfr_playoff/data/match/jfrdb.py b/jfr_playoff/data/match/jfrdb.py
index 7d9e067..8dc57ab 100644
--- a/jfr_playoff/data/match/jfrdb.py
+++ b/jfr_playoff/data/match/jfrdb.py
@@ -1,3 +1,6 @@
+import re
+
+import jfr_playoff.sql as p_sql
 from jfr_playoff.data import TournamentInfo
 from jfr_playoff.data.match import MatchInfoClient
 from jfr_playoff.logger import PlayoffLogger
@@ -26,3 +29,75 @@ class JFRDbMatchInfo(MatchInfoClient):
         PlayoffLogger.get('match.jfrdb').info(
             'match #%d link fetched: %s', self.settings['id'], link)
         return link
+
+    def fetch_teams(self, teams):
+        row = self.database.fetch(
+            self.settings['database'], p_sql.MATCH_RESULTS,
+            (self.settings['table'], self.settings['round']))
+        for i in range(0, 2):
+            teams[i].name = [row[i]]
+            teams[i].known_teams = 1
+        teams[0].score = row[3] + row[5]
+        teams[1].score = row[4] + row[6]
+        if row[2] > 0:
+            teams[0].score += row[2]
+        else:
+            teams[1].score -= row[2]
+        PlayoffLogger.get('match.jfrdb').info(
+            'scores fetched: %s', teams)
+        return teams
+
+    def board_count(self):
+        towels = self.database.fetch(
+            self.settings['database'], p_sql.TOWEL_COUNT,
+            (self.settings['table'], self.settings['round']))
+        row = [0 if r is None
+               else r for r in
+               self.database.fetch(
+                   self.settings['database'], p_sql.BOARD_COUNT,
+                   (self.settings['table'], self.settings['round']))]
+        boards_to_play = int(row[0])
+        boards_played = max(int(row[1]), 0)
+        if boards_to_play > 0:
+            boards_played += int(towels[0])
+        PlayoffLogger.get('match.jfrdb').info(
+            'board count: %d/%d', boards_played, boards_to_play)
+        return boards_played, boards_to_play
+
+    def running_link(self):
+        match_link = self.settings['link']
+        link_match = re.match(r'^(.*)runda(\d+)\.html$', match_link)
+        if link_match:
+            current_segment = int(
+                self.database.fetch(
+                    self.settings['database'], p_sql.CURRENT_SEGMENT,
+                    (self.settings['round'],))[0])
+            PlayoffLogger.get('match.jfrdb').info(
+                'fetched running segment: %d', current_segment)
+            match_link = '%s%st%d-%d.html' % (
+                link_match.group(1), link_match.group(2),
+                self.settings['table'], current_segment)
+        if match_link != self.settings['link']:
+            PlayoffLogger.get('match.jfrdb').info(
+                'checking if running link %s is live', match_link)
+            from jfr_playoff.data.match.jfrhtml import JFRHtmlMatchInfo
+            client = JFRHtmlMatchInfo(self.settings)
+            try:
+                boards_played, board_count = client.segment_board_count(
+                    re.sub('\.htm$', '.html', match_link))
+            except Exception as e:
+                PlayoffLogger.get('match.jfrdb').info(
+                    'unable to determine confirm link: %s(%s)',
+                    type(e).__name__, str(e))
+                boards_played = 0
+            if not boards_played:
+                PlayoffLogger.get('match.jfrdb').info(
+                    'running link is not live - reverting to match link (%s)',
+                    self.settings['link'])
+                match_link = self.settings['link']
+            elif boards_played == board_count:
+                PlayoffLogger.get('match.jfrdb').info(
+                    'running link is finished - reverting to match link (%s)',
+                    self.settings['link'])
+                match_link = self.settings['link']
+        return match_link
diff --git a/jfr_playoff/data/match/jfrhtml.py b/jfr_playoff/data/match/jfrhtml.py
index 40f1395..b4a8808 100644
--- a/jfr_playoff/data/match/jfrhtml.py
+++ b/jfr_playoff/data/match/jfrhtml.py
@@ -1,4 +1,9 @@
+import copy
+import re
+from urlparse import urljoin
+
 from jfr_playoff.data.match import MatchInfoClient
+from jfr_playoff.remote import RemoteUrl as p_remote
 from jfr_playoff.logger import PlayoffLogger
 
 
@@ -18,3 +23,190 @@ class JFRHtmlMatchInfo(MatchInfoClient):
             'match #%d link pre-defined: %s',
             self.settings['id'], self.settings['link'])
         return self.settings['link']
+
+    def _find_table_row(self, url):
+        html_content = p_remote.fetch(url)
+        for row in html_content.select('tr tr'):
+            for cell in row.select('td.t1'):
+                if cell.text.strip() == str(self.settings['table']):
+                    PlayoffLogger.get('match.jfrhtml').debug(
+                        'HTML row for table %d found: %s',
+                        self.settings['table'], row)
+                    return row
+        PlayoffLogger.get('match.jfrhtml').debug(
+            'HTML row for table %d not found',
+            self.settings['table'])
+        return None
+
+    def fetch_teams(self, teams):
+        if self.settings['link'] is None:
+            raise ValueError('link not set')
+        row = self._find_table_row(self.settings['link'])
+        if row is None:
+            raise ValueError('table row not found')
+        try:
+            scores = [
+                float(text) for text
+                in row.select('td.bdc')[-1].contents
+                if isinstance(text, unicode)]
+        except ValueError:
+            # single-segment match
+            try:
+                # running single-segment
+                scores = [
+                    float(text.strip()) for text
+                    in row.select('td.bdcg a')[-1].contents
+                    if isinstance(text, unicode)]
+            except IndexError:
+                try:
+                    # static single-segment
+                    scores = [
+                        float(text.strip()) for text
+                        in row.select('td.bdc a')[-1].contents
+                        if isinstance(text, unicode)]
+                except IndexError:
+                    # toweled single-segment
+                    scores = [0.0, 0.0]
+            # carry-over
+            carry_over = [
+                float(text.strip()) if len(text.strip()) > 0 else 0.0 for text
+                in row.select('td.bdc')[0].contents
+                if isinstance(text, unicode)]
+            if len(carry_over) < 2:
+                # no carry-over, possibly no carry-over cells or empty
+                carry_over = [0.0, 0.0]
+            for i in range(0, 2):
+                scores[i] += carry_over[i]
+        team_names = [[text for text in link.contents
+                       if isinstance(text, unicode)][0].strip(u'\xa0')
+                      for link in row.select('a[onmouseover]')]
+        for i in range(0, 2):
+            teams[i].name = [team_names[i]]
+            teams[i].known_teams = 1
+            teams[i].score = scores[i]
+        PlayoffLogger.get('match.jfrhtml').info(
+            'scores fetched: %s', teams)
+        return teams
+
+
+    def _has_segment_link(self, cell):
+        links = [link for link in cell.select('a[href]')
+                 if re.match(r'^.*\d+t\d+-\d+\.htm$', link['href'])]
+        return len(links) > 0
+
+    def _has_towel_image(self, cell):
+        return len(cell.select('img[alt="towel"]')) > 0
+
+    def _get_html_running_boards(self, cell):
+        return int(cell.contents[-1].strip())
+
+    def segment_board_count(self, segment_url):
+        segment_content = p_remote.fetch(segment_url)
+        board_rows = [
+            row for row
+            in segment_content.find_all('tr')
+            if len(row.select('td.bdcc a.zb')) > 0]
+        board_count = len(board_rows)
+        played_boards = len([
+            row for row
+            in board_rows
+            if len(''.join([
+                    cell.text.strip()
+                    for cell in row.select('td.bdc')])) > 0])
+        return played_boards, board_count
+
+    def _get_finished_info(self, cell):
+        segment_link = cell.select('a[href]')
+        if len(segment_link) > 0:
+            segment_url = re.sub(
+                r'\.htm$', '.html',
+                urljoin(self.settings['link'], segment_link[0]['href']))
+            try:
+                played_boards, board_count = \
+                    self.segment_board_count(segment_url)
+                PlayoffLogger.get('match.jfrhtml').info(
+                    'HTML played boards count for segment: %d/%d',
+                    played_boards, board_count)
+                return board_count, played_boards >= board_count
+            except IOError as e:
+                PlayoffLogger.get('match.jfrhtml').info(
+                    'cannot fetch played boards count for segment: %s(%s)',
+                    type(e).__name__, str(e))
+                return 0, False
+        return 0, False
+
+    def board_count(self):
+        row = self._find_table_row(self.settings['link'])
+        if row is None:
+            raise ValueError('table row not found')
+        for selector in ['td.bdc', 'td.bdcg']:
+            cells = row.select(selector)
+            segments = [cell for cell in cells if self._has_segment_link(cell)]
+            towels = [cell for cell in cells if self._has_towel_image(cell)]
+            if len(segments) == 0:
+                # in single-segment match,
+                # there are no td.bdc cells with segment links,
+                # but maybe it's a multi-segment match with towels
+                if len(towels) > 0:
+                    PlayoffLogger.get('match.jfrhtml').info(
+                        'board count: all towels')
+                    return 1, 1 # entire match is toweled, so mark as finished
+            else:
+                # not a single-segment match
+                # no need to look for td.bdcg cells
+                break
+        if len(segments) == 0:
+            raise ValueError('segments not found')
+        running_segments = row.select('td.bdca')
+        running_boards = sum([
+            self._get_html_running_boards(segment)
+            for segment
+            in running_segments])
+        finished_segments = []
+        boards_in_segment = None
+        for segment in segments:
+            if segment not in running_segments:
+                boards, is_finished = self._get_finished_info(segment)
+                if is_finished:
+                    finished_segments.append(segment)
+                if boards_in_segment is None and boards > 0:
+                    boards_in_segment = boards
+        if 'bdcg' in segments[0]['class']:
+            # only a single-segment match will yield
+            # td.bdcg cells with segment scores
+            total_boards = boards_in_segment
+        else:
+            PlayoffLogger.get('match.jfrhtml').info(
+                'board count, found: %d finished segments, %d towels, ' \
+                + '%d boards per segment and %d boards in running segment',
+                len(finished_segments), len(towels),
+                boards_in_segment, running_boards)
+            total_boards = (
+                len(segments) + len(towels) + len(running_segments)) \
+                * boards_in_segment
+        played_boards = (len(towels) + len(finished_segments)) \
+            * boards_in_segment \
+            + running_boards
+        PlayoffLogger.get('match.jfrhtml').info(
+            'board count: %d/%d', played_boards, total_boards)
+        return played_boards, total_boards
+
+    def running_link(self):
+        row = self._find_table_row(self.settings['link'])
+        running_link = row.select('td.bdcg a[href]')
+        if len(running_link) == 0:
+            raise ValueError('running link not found')
+        PlayoffLogger.get('match.jfrhtml').info(
+            'fetched running link from HTML: %s', running_link)
+        match_link = urljoin(self.settings['link'], running_link[0]['href'])
+        try:
+            boards_played, board_count = self.segment_board_count(
+                re.sub('\.htm$', '.html', match_link))
+        except Exception as e:
+            boards_played = 0
+        if not boards_played:
+            PlayoffLogger.get('match.jfrhtml').info(
+                'running link is not live - reverting to match link (%s)',
+                self.settings['link'])
+            match_link = self.settings['link']
+        return match_link
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