From d3caed4241328258dee6190463bae8b4b5f3800d Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Mon, 28 Sep 2020 14:39:59 +0300
Subject: Use grouped predictions for dates in table

---
 iss/predictions.py            | 16 ++++++++++++++++
 iss/server.py                 |  2 +-
 iss/templates/index.html      | 31 ++++++++++++++++++-------------
 iss/tests/test_predictions.py | 12 ++++++++++++
 4 files changed, 47 insertions(+), 14 deletions(-)

diff --git a/iss/predictions.py b/iss/predictions.py
index bab9f17..df6326a 100644
--- a/iss/predictions.py
+++ b/iss/predictions.py
@@ -1,3 +1,4 @@
+from collections import defaultdict
 from skyfield.api import Topos, load
 
 from .utils import chunks
@@ -90,3 +91,18 @@ class Predictions(object):
     def get_predictions(self):
         preds = self.get_prediction_events()
         return [self.get_prediction_details(*p) for p in preds]
+
+    def truncate_prediction_dates(self, pred):
+        for t in ["rise", "culminate", "set"]:
+            pred[t]["time"] = pred[t]["time"][11:]
+        return pred
+
+    def get_grouped_predictions(self):
+        preds = self.get_predictions()
+        res = defaultdict(list)
+
+        for pred in preds:
+            date = pred["rise"]["time"][:10]
+            res[date].append(self.truncate_prediction_dates(pred))
+
+        return res
diff --git a/iss/server.py b/iss/server.py
index 90b2e58..d03cec4 100644
--- a/iss/server.py
+++ b/iss/server.py
@@ -13,7 +13,7 @@ templates = Jinja2Templates(directory="iss/templates")
 
 @app.get("/")
 async def home(request: Request):
-    preds = Predictions(34.7641, 32.0669, altitude=10).get_predictions()
+    preds = Predictions(34.7641, 32.0669, altitude=0, days=5).get_grouped_predictions()
     return templates.TemplateResponse(
         "index.html", {"request": request, "predictions": preds}
     )
diff --git a/iss/templates/index.html b/iss/templates/index.html
index 5c498c7..e29da64 100644
--- a/iss/templates/index.html
+++ b/iss/templates/index.html
@@ -2,13 +2,14 @@
 
 {% block content %}
 <table class="tl pa1">
-    <tr class="ba tc pa1 f3">
+    <tr class=" tc pa1 f3">
         <th colspan="1">Total</th>
         <th colspan="2">Rise</th>
         <th colspan="4">Culminate</th>
         <th colspan="2">Set</th>
     </tr>
     <tr class="pa1 f4">
+        <th>Date</th>
         <th>Length</th>
         <th>Time</th>
         <th>Azimuth</th>
@@ -19,18 +20,22 @@
         <th>Time</th>
         <th>Azimuth</th>
     </tr>
-    {% for pred in predictions %}
-    <tr class="pa1">
-        <td>{{ pred.length }}</td>
-        <td>{{ pred.rise.time }}</td>
-        <td>{{ pred.rise.azimuth }}</td>
-        <td>{{ pred.culminate.time }}</td>
-        <td>{{ pred.culminate.azimuth }}</td>
-        <td>{{ pred.culminate.degrees }}</td>
-        <td>{{ pred.culminate.distance }}</td>
-        <td>{{ pred.set.time }}</td>
-        <td>{{ pred.set.azimuth }}</td>
-    </tr>
+    {% for date, preds in predictions.items() %}
+        {% set date_loop = loop %}
+        {% for pred in preds %}
+        <tr class="pa2 {{ date_loop.cycle('light-gray', 'light-silver') }}">
+            {% if loop.first %}<td rowspan="{{ preds|length }}">{{ date }}</td>{% endif %}
+            <td>{{ pred.length }}</td>
+            <td>{{ pred.rise.time }}</td>
+            <td>{{ pred.rise.azimuth }}</td>
+            <td>{{ pred.culminate.time }}</td>
+            <td>{{ pred.culminate.azimuth }}</td>
+            <td>{{ pred.culminate.degrees }}</td>
+            <td>{{ pred.culminate.distance }}</td>
+            <td>{{ pred.set.time }}</td>
+            <td>{{ pred.set.azimuth }}</td>
+        </tr>
+        {% endfor %}
     {% endfor %}
 
 </table>
diff --git a/iss/tests/test_predictions.py b/iss/tests/test_predictions.py
index 85dcf0a..29b939b 100644
--- a/iss/tests/test_predictions.py
+++ b/iss/tests/test_predictions.py
@@ -65,3 +65,15 @@ def test_get_predictions():
     assert preds[0]["rise"]["azimuth"] == 347
     assert preds[0]["culminate"]["degrees"] == 1
     assert preds[0]["set"]["distance"] == 2364
+
+
+def test_get_grouped_predictions():
+    start = 2459117.245895914
+    p = Predictions(
+        lat=32.0853, lng=34.7817, tz="Asia/Jerusalem", start=start, tle_file=STATIONS
+    )
+    preds = p.get_grouped_predictions()
+    assert "2020-09-28" in preds
+    assert preds["2020-09-28"][0]["rise"]["time"] == "10:14:44Z"
+    assert preds["2020-09-28"][1]["culminate"]["time"] == "11:51:14Z"
+    assert preds["2020-09-28"][1]["set"]["time"] == "11:56:36Z"
-- 
cgit v1.3.1