save

Author: davegaeddert

bolt-charts/LICENSE

@@ -0,0 +1,28 @@
+BSD 3-Clause License
+
+Copyright (c) 2023, Dropseed, LLC
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

bolt-charts/README.md

@@ -0,0 +1,3 @@
+<!-- This file is compiled from bolt-charts/bolt/vendor/README.md. Do not edit this file directly. -->
+
+# bolt-charts

bolt-charts/bolt/charts/README.md

@@ -0,0 +1 @@
+# bolt-charts

bolt-charts/bolt/charts/__init__.py

@@ -0,0 +1,21 @@
+[tool.poetry]
+
+name = "bolt-charts"
+packages = [
+    { include = "bolt" },
+]
+
+version = "0.0.0"
+description = ""
+authors = ["Dave Gaeddert <[email protected]>"]
+license = "MIT"
+# readme = "README.md"
+
+[tool.poetry.dependencies]
+python = "^3.11"
+plotly = ">5.0.0"
+pandas = "*"
+
+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"

bolt-charts/pyproject.toml

@@ -1,6 +1,78 @@
 import datetime
-
+import plotly.express as px
+import pandas as pd
 from .base import Card
+from bolt.db.models import Count
+from bolt.db.models.functions import TruncDate
+
+class Chart:
+    def render_html(self):
+        config = {
+            "displayModeBar": False,
+            "scrollZoom": False,
+            "responsive": True,
+            # "staticPlot": True,
+        }
+        return self.get_figure().to_html(full_html=False, config=config)#, include_plotlyjs=False)
+
+    def render_image(self):
+        return self.get_figure().to_image(format="png")
+
+    def __html__(self):
+        return self.render_html()
+
+
+class BarChart(Chart):
+    def __init__(self, *, dataframe, x, y):
+        self.dataframe = dataframe
+        self.x = x
+        self.y = y
+
+    def get_figure(self):
+        fig = px.bar(self.dataframe, x=self.x, y=self.y)
+        return fig
+
+
+
+class TrendCard(Card):
+    template_name = "admin/cards/trend.html"
+
+    model = None
+    trend_field = "created_at"
+
+    # default behavior can be querysets and  models?
+    # override if custom objects, but rare?
+
+    def get_template_context(self):
+        context = super().get_template_context()
+        context["chart"] = self.get_chart()
+        return context
+
+    def get_chart(self):
+        filters = {
+            f"{self.trend_field}__range": self.datetime_range.as_tuple(),
+        }
+        data = (
+            self.model.objects.filter(**filters)
+            .annotate(date=TruncDate(self.trend_field))
+            .values("date")
+            .annotate(count=Count("id"))
+            .order_by("date")
+        )
+
+        dataframe = pd.DataFrame.from_records(
+            data,
+            columns=["date", "count"],
+        )
+
+        # fill the zeroes for the missing dates
+        dataframe = dataframe.set_index("date").reindex(self.datetime_range).fillna(0).reset_index()
+
+        return BarChart(
+            dataframe=dataframe,
+            x="date",
+            y="count",
+        )
 
 
 class ChartCard(Card):

bolt-staff/bolt/staff/admin/cards/charts.py

@@ -67,7 +67,7 @@
                     {{ request.user }}
                 </span>
             </div>
-            <a class="ml-2 hover:text-white hover:underline flex-shrink-0" href="{{ url('logout') }}">Log out</a>
+            <a class="flex-shrink-0 ml-2 hover:text-white hover:underline" href="{{ url('logout') }}">Log out</a>
         </div>
     </div>
     <div id="admin-content" data-toggle-class="fixed ml-64 -mr-64" class="flex-grow overflow-auto text-black border-l bg-paper lg:rounded-lg lg:mt-3 lg:mb-3 lg:mr-3 lg:ml-64 border-black/10">
@@ -145,6 +145,13 @@ <h1 class="text-2xl font-semibold text-stone-700">
                     </form>
                 </div>
             </div>
+            {#
+            <!-- Tell tailwind about potential col-span sizes for cards -->
+            <div class="col-span-1"></div>
+            <div class="col-span-2"></div>
+            <div class="col-span-3"></div>
+            <div class="col-span-4"></div>
+            #}
             <div class="grid grid-cols-1 gap-6 mt-4 mb-6 sm:grid-cols-2 lg:grid-cols-4">
                 {% for card in cards %}
                 <section class="col-span-{{ card.size.value }}">

bolt-staff/bolt/staff/admin/templates/admin/base.html

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+{% extends "admin/cards/base.html" %}
+
+{% block content %}
+{{ chart }}
+{% endblock %}

bolt-staff/bolt/staff/admin/templates/admin/cards/trend.html

@@ -1,6 +1,6 @@
 # Templates
 
-Render HTML templates using Jinja.
+Render templates using Jinja2.
 
 Templates are typically rendered in `TemplateViews`,
 but you can also render them directly to strings for emails or other use cases.