gitar

# formatted file in a commit. 

# The function returns a list 

# If one line is removed, and one line is added, and both have the same line

# number, then that should be regarded as a changed line, not a removed+added line.

# This holds for each non-broken list of removed+added lines.

from pydriller.domain.commit import ModificationType

from ..syntax import *

""" It's a lot of annoying glue code to transform a modified file object into

what we actually want: The data that needs to be passed to the Django template.

This convenience function accepts the modified file object as given by

Pydriller's Commit class, and returns a list of dicts, each dict representing

the information needed to properly present a file diff in the template.

"""

def prepare_and_process(modified_file):

    #print(modified_file.source_code)

    result = dict()

    result["object"] = modified_file  # Could come in handy

    result["change_type"] = modified_file.change_type

    result["html_code_after"] = code_to_HTML(

        modified_file.source_code,

        modified_file.filename)

    result["html_code_before"] = code_to_HTML(

        modified_file.source_code_before,

        modified_file.filename)

    if modified_file.change_type == ModificationType.ADD:

        result["path"] = modified_file.new_path

    elif modified_file.change_type == ModificationType.DELETE:

        result["path"] = modified_file.old_path

    elif modified_file.change_type == ModificationType.RENAME:

        result["path"] = modified_file.old_path +" → "+ modified_file.new_path

    elif modified_file.change_type == ModificationType.MODIFY:

        result["path"] = modified_file.old_path

    added = dict()

    deleted = dict()

    for number, line in modified_file.diff_parsed["added"]:

        added[number] = line

    for number, line in modified_file.diff_parsed["deleted"]:

        if result["path"] == "Challenge 4/Controller.java":

            #print("PING")

            pass

        deleted[number] = line

    if result["path"] == "Challenge 4/Controller.java":

        pass

        #print("NU CONTROLLER.jAVA")

        #print(modified_file.diff_parsed)

        #print(deleted)

    result["rows"] = process_file(

        result["html_code_before"],

        result["html_code_after"],

        added,

        deleted)

    # These three lists are going to be empty if the methods couldn't be detected

    deleted, transferred, new = process_methods(modified_file)

    if len(deleted) == len(transferred) == len(new) == 0:

        result["methods_available"] = False

    else:

        result["methods_available"] = True

        result["deleted_methods"] = deleted

        result["transferred_methods"] = transferred

        result["new_methods"] = new

    return result 

""" Sometimes, the methods in a file can be detected, which adds some nice

information """

def process_methods(modified_file):

    before_methods = modified_file.methods_before

    after_methods = modified_file.methods

    deleted_methods = []

    transferred_methods = []

    new_methods = []

    # Finding all transferred and deleted methods

    for before_method in before_methods:

        transferred = False

        for after_method in after_methods:

            if before_method.name == after_method.name:  # Match found

                transferred_methods.append((before_method, after_method))

                transferred = True

                break

        if not transferred:

            deleted_methods.append(before_method)

    # Finding all new methods

    for after_method in after_methods:

        transferred = False

        for _, am in transferred_methods:

            if after_method == am:

                transferred = True

                break

        if not transferred:

            new_methods.append(after_method)

    return deleted_methods, transferred_methods, new_methods

def process_file(source_before, source_after, additions, deletions): 

    rows = []

    # Counting from 1, because source code lines are counted from there

    # NOTE: Deletions komen wel degelijk goed binnen

    #print("deletions:")

    #print(deletions)

    before_count = 1

    after_count = 1

    while True:

        row = dict()

        #print("PROCESS_FILE")

        #print(deletions)

        #print(additions)

        # We check the deletion lines first; if a line was "changed", the

        # 'deleted' line needs to be listed first, and after that, the 'added'

        # line

        #print(str(before_count) + " -- " + str(after_count))

        if before_count in deletions:

            row["type"] = "deletion"

            row["old_num"] = before_count

            # Why source_before[] and not deletions[]?

            # Because source_before[] has been processed by Pygments, and thus

            # has the syntax highlighting in it. deletions[] is just plain text.

            # Look, I'm tired at the time of writing, and this line seems to be

            # kind of a dick so I'm just gonna try catch it and leave it like

            # that for now

            #try: 

                #row["line"] = source_before[before_count]

            print(len(source_before))

                row["line"] = source_before[-1]

            else:

                row["line"] = source_before[before_count]

            #except:

                #pass

            before_count += 1

        elif after_count in additions:

            row["type"] = "addition"

            row["new_num"] = after_count

            # Idem for additions[]

            # Look, I'm tired at the time of writing, and this line seems to be

            except:

        else:  # No change to this particular line

            row["old_num"] = before_count

            row["new_num"] = after_count

            if len(source_before) > before_count:

                row["line"] = source_before[before_count] 

            elif len(source_after) > after_count:

                row["line"] = source_after[after_count] 

            else:  # No lines left

                break

            # If not end of both files, increment both counters anyway

            before_count += 1

            after_count += 1

        # Adding the new row to the list of rows

        rows.append(row)

    return rows

{% load i18n %}

{% load humanize %}

{% load static %}

{% block title %}{{ repository_name }} | Gitar{% endblock title %}

{% block stylesheets %}

    {{ block.super }}

    <link rel="stylesheet" type="text/css" href="/static/website/syntax.css" />

    <link rel="stylesheet" type="text/css" href="/static/gitar/css/file.css" />

    <style>

    table.highlight {

        border-collapse: collapse;

    }

    table.highlight tr {

        line-height: 1em;

    }

    tr.deletion {

        background-color: rgba(255, 0, 0, .1);

    }

    tr.addition {

        background-color: rgba(0, 255, 0, .1);

    }

    section {

        overflow-x: scroll;

    }

    .symbol {

        text-align: right;

        /*font-weight: bolder;*/

    /* These vendor prefixes are still necessary, yeah...*/

    }

    .line-number {

        text-align: right;

        width: 3em;

        -moz-user-select: none;

        -webkit-user-select: none;

        -ms-user-select: none;

      user-select: none;

    }

    .line-number a {

        color: grey;

    }

    details span.opened {

        display: none;

    }

    details[open] span.opened {

         display: inline;

    }

    details[open] span.closed {

         display: none;

    }

    </style>

{% endblock stylesheets %}

{% block description %}

{{ repository_name }} {{ commit.hash|truncatechars:10 }}: {{ commit.msg }}

{% endblock description %}

{% block header %}

<header>

    <label for="nav-drawer-toggle">≡</label>

    <h1>{{ repository_name }}</h1>  

</header>

{% endblock header %}

{% block nav %}

<input id="nav-drawer-toggle" type="checkbox" />

<nav>

    <label for="nav-drawer-toggle">🡠</label>

    <h2>{{ repository_name }}</h2>

    <a class="nav-link" href="{% url 'gitar-index' %}">Gitar | Index</a>

    <a class="nav-link" href="{% url 'gitar-repository' repository_name %}">{{ repository_name }} | Index</a>

    <a class="nav-link" href="{% url 'about-index' %}">{% translate "Front page" %}</a>

    <hr class="half">

    {% for mod_file in modified_files %}

        <a class="nav-link" href="#{{ mod_file.path }}">{{ mod_file.path }}</a>

    {% endfor %}

</nav>

{% endblock nav %}

{% block main %}

<section class="emphasis">

    <h2>{{ first_line }}</h2>

    <p>{{ other_lines|safe }}</p>

    <dl>

        <dt>{% translate "Author" %}</dt>

        <dd>{{ commit.author.name }}</dd>

        <dt>{% translate "Date" %}</dt>

        <dd>{{ commit.committer_date|date:"DATETIME_FORMAT" }}</dd>

        <dt>{% translate "Hash" %}</dt>

        <dd><samp>{{ commit.hash }}</samp></dd>

        {% if commit.parents|length_is:"1" %}

        <dt>{% translate "Parent" %}</dt>

        {% else %}

        <dt>{% translate "Parents" %}</dt>

        {% endif %}

        {% for parent in commit.parents %}

        <dd><samp><a href="{% url "gitar-commit" repository_name parent %}">

        {{ parent }}

        </a></samp</dd>

        {% endfor %}

        {% if modified_files|length_is:"1" %}

        <dt>{% translate "Modified file" %}</dt>

        {% else %}

        <dt>{% translate "Modified files" %}</dt>

        {% endif %}

        {% for mod_file in modified_files %}

        <dd><a href="#{{ mod_file.path }}">{{ mod_file.path }}</a></dd>

        {% endfor %}

        {#<dt>{% translate "Child" %}</dt>#}

        {# <dd>{{ commit.author_date|date:"DATETIME_FORMAT" }}</dd>#}

        {# Gonna leave the email out for now, don't like email scrapers #}

        {# <dt>{% translate "E-mail" %}</dt> #}

        {# <dl>{{ commit.author.email }}</dl> #}

    </dl>

</section>

{% for mod_file in modified_files %}

<section>

    <h3 id="{{ mod_file.path }}">{{ mod_file.path }} <a href="#{{ mod_file.path }}">¶</a></h3>

        <p>

            {{ mod_file.object.added_lines }}

            {% blocktranslate count counter=mod_file.object.added_lines %}

            addition

            {% plural %}

            additions

            {% endblocktranslate %}

            {% translate "and" %}

            {{ mod_file.object.deleted_lines }}

            {% blocktranslate count counter=mod_file.object.deleted_lines %}

            deletion.

            {% plural %}

            deletions.

            {% endblocktranslate %}

        </p>

        {% if mod_file.methods_available %}

        {% endif %}

    <details open>

        <summary class="ripple"><span class="closed"> {% translate "View changes" %}</span><span class="opened"> {% translate "Hide changes" %}</span>

        </summary>

        <table class="highlight" style="font-family: 'Fira Code', monospace;">

        {% for row in mod_file.rows %}

        {% if row.type == "deletion" %}

        <tr class="deletion">

            <td id="{{ mod_file.path }}-A{{ row.old_num }}" class="line-number">

                <a href="#{{ mod_file.path }}-A{{ row.old_num }}" class="accent-on-hover-only"><pre>{{ row.old_num }}</pre>

            </a></td>

            <td class="line-number symbol">-</td>

        {% elif row.type == "addition" %}

        <tr class="addition">

            <td class="line-number symbol">+</td>

            <td id="{{ mod_file.path }}-B{{ row.new_num }}" class="line-number">

                <a href="#{{ mod_file.path }}-B{{ row.new_num }}" class="accent-on-hover-only"><pre>{{ row.new_num }}</pre>

            </a></td>

        {% else %}

        <tr class="nochange">

            <td id="{{ mod_file.path }}-A{{ row.old_num }}" class="line-number">

                <a href="#{{ mod_file.path }}-A{{ row.old_num }}" class="accent-on-hover-only"><pre>{{ row.old_num }}</pre>

            <td id="{{ mod_file.path }}-B{{ row.new_num }}" class="line-number">

                <a href="#{{ mod_file.path }}-B{{ row.new_num }}" class="accent-on-hover-only"><pre>{{ row.new_num }}</pre>

            </a></td>

        {% endif %}

            <td style="padding-left: 1em;"><pre>{{ row.line|safe }}</pre></td>

        </tr>

        {% endfor %}

        </table>

    </details>

</section>

{% endfor %}

{% endblock main %}

{% load i18n %}

{% load humanize %}

{% load static %}

{% block title %}{{ repository_name }} | Gitar{% endblock title %}

{% block stylesheets %}

    {{ block.super }}

    <style>

    td {

    padding-right: 1em;

    }

    </style>

{% endblock stylesheets %}

{% block description %}

{{repository_description}}

{% endblock description %}

{% block header %}

<header>

    <label for="nav-drawer-toggle">≡</label>

    <h1>{{ repository_name }}</h1>  

</header>

{% endblock header %}

{% block nav %}

<input id="nav-drawer-toggle" type="checkbox" />

<nav>

    <label for="nav-drawer-toggle">🡠</label>

    <h2>{{ repository_name }}</h2>

    <a class="nav-link" href="{% url 'gitar-index' %}">Gitar | Index</a>

    <a class="nav-link" href="{% url 'about-index' %}">{% translate "Front page" %}</a>

    {% if subdirectories %}

    <hr class="half">

    {% endif %}

    {% for subdirectory in subdirectories %}

        <a class="nav-link" href="{% url 'gitar-path-explorer' repository_name branch subdirectory.path %}">

            {{ subdirectory.name }}

        </a>

    {% endfor %}

    <hr class="half">

    {% for file in files %}

        <a class="nav-link" href="{% url 'gitar-path-explorer' repository_name branch file.path %}">

        {{ file.name }}

        </a>

    {% endfor %}

</nav>

{% endblock nav %}

{% block main %}

<aside>

    <!-- Add tertiary information such as branches and licensing here.  -->

    <h2>{{repository_name}}</h2>

    <p>{{ repository_description }}</p>

    <h3>{% trans "Branches" %}</h3>

    {% for bbranch in branches %}

    <a href="{% url 'gitar-repository' repository_name bbranch %}">

        {{ bbranch }}

    </a><br>

    {% endfor %}

    {% comment %}<h5 class="{{mdc}}-text">{% trans "Extra information" %}</h5>

    <div class="chip">

        {{repository_language}}

        <i class="material-icons {{mdac}}-text text-accent-3">code</i>

    </div><br />

    <div class="chip">

        {{repository_license}}

        <i class="material-icons {{mdac}}-text text-accent-3">copyright</i>

    </div>

    {% endcomment %}

</aside>

<section>

    <h2>{% translate "Content" %}</h2>

    <!--Tree contents-->

    <!-- Subdirectories -->

    {% if subdirectories %}

    <table>

        <thead>

            <tr>

                <th scope="col">{% translate "Subdirectories" %}</th>

            </tr>

        </thead>

        <tbody>

            {% for subdirectory in subdirectories %}

            <tr>

                <th>

                <a href="{% url 'gitar-path-explorer' repository_name branch subdirectory.path %}">

                    {{subdirectory.name}}

                </a>

                </th>

            </tr>

            {% endfor %}

        </tbody>

    </table>

    {% endif %}

    <!-- Files -->

    <table>

        <thead>

            <tr>

                <th scope="col">{% translate "File name" %}</th>

                <th scope="col">{% translate "Latest commit" %}</th>

                <th scope="col">{% translate "Latest update" %}</th>

            </tr>

        </thead>

        <tbody>

            {% for file in files %}

            <tr>

                <td><a href="{% url 'gitar-path-explorer' repository_name branch file.path %}">

                    {{ file.name }}</a></td>

                <td><a href="{% url 'gitar-commit' repository_name file.commit.hash %}">

                    {{ file.commit.msg|truncatewords_html:10 }}</a></td>

                <td>{% if file.older_than_one_month %}

                    {{ file.commit.committer_date|date }}

                    {% else %}

                    {{ file.commit.committer_date|naturaltime }}

                    {% endif %}

                    </td>

            </tr>

            {% endfor %}

        </tbody>

    </table>

    <!-- Commits -->

    <h2>{% translate "Commits" %}</h2>

    <table>

        <thead>

            <tr>

                <th scope="col">{% translate "Hash" %}</th>

                <th scope="col">{% translate "Author" %}</th>

                <th scope="col">{% translate "Description" %}</th>

                <th scope="col">{% translate "Date" %}</th>

            </tr>

        </thead>

        <tbody>

            {% for commit in commits %}

            <tr>

            <td><a href="{% url 'gitar-commit' repository_name commit.hash %}">

                <code>{{ commit.hash|truncatechars:15 }}</code>

            </a></td>

            <td>{{ commit.author|truncatewords:2 }}</td>

            <td>

                {{ commit.description|lower|capfirst|truncatewords:10|truncatechars:80 }}{% if commit.description|last != "." %}.{% endif %}

            </td>

            <td>{{ commit.date|date:"SHORT_DATETIME_FORMAT" }}</td>

            {% endfor %}

        </tbody>

    </table>

</section>

{% endblock main %}