Add thumbnail logic to files api

metobsapi/files_api.py

@@ -72,6 +72,8 @@ def get_data(dates, streams, frame=True):
                 file_info['url'] = os.path.join(app.config['ARCHIVE_URL'], path)
                 file_info['size'] = os.stat(pathname).st_size
                 file_info['relpath'] = path
+                if file_info['thumbnail'] is not None:
+                    file_info['thumbnail'] = dt.strftime(file_info['thumbnail'])
                 data.append(file_info)
 
     if frame:

metobsapi/util/file_responses.py

@@ -32,40 +32,48 @@ ARCHIVE_INFO = {
                                 'frequency': ProductFrequency.DAILY_FILE,
                                 'pattern': 'aoss_tower.%Y-%m-%d.nc',
                                 'display_name': 'Daily NetCDF file (aoss_tower.YYYY-MM-DD.nc)',
+                                'preview_product': 'meteorogram-daily',
                             },
                             'meteorogram-daily': {
                                 'frequency': ProductFrequency.DAILY_FILE,
                                 'pattern': 'aoss_tower.meteorogram.%Y-%m-%d.png',
+                                'thumbnail_pattern': 'aoss_tower.meteorogram.%Y-%m-%d_thumbnail.png',
                                 'display_name': 'Daily Meteorogram (aoss_tower.meteorogram.YYYY-MM-DD.png)',
                             },
                             'td-daily': {
                                 'frequency': ProductFrequency.DAILY_FILE,
                                 'pattern': 'aoss_tower.td.%Y-%m-%d.png',
+                                'thumbnail_pattern': 'aoss_tower.td.%Y-%m-%d_thumbnail.png',
                                 'display_name': 'Daily Air and Dewpoint Temperature (aoss_tower.td.YYYY-MM-DD.png)',
                             },
                             'pressure-daily': {
                                 'frequency': ProductFrequency.DAILY_FILE,
                                 'pattern': 'aoss_tower.pressure.%Y-%m-%d.png',
+                                'thumbnail_pattern': 'aoss_tower.pressure.%Y-%m-%d_thumbnail.png',
                                 'display_name': 'Daily Pressure (aoss_tower.pressure.YYYY-MM-DD.png)',
                             },
                             'wind-speed-daily': {
                                 'frequency': ProductFrequency.DAILY_FILE,
                                 'pattern': 'aoss_tower.wind_speed.%Y-%m-%d.png',
+                                'thumbnail_pattern': 'aoss_tower.wind_speed.%Y-%m-%d_thumbnail.png',
                                 'display_name': 'Daily Wind Speed (aoss_tower.wind_speed.YYYY-MM-DD.png)',
                             },
                             'wind-dir-daily': {
                                 'frequency': ProductFrequency.DAILY_FILE,
                                 'pattern': 'aoss_tower.wind_dir.%Y-%m-%d.png',
+                                'thumbnail_pattern': 'aoss_tower.wind_dir.%Y-%m-%d_thumbnail.png',
                                 'display_name': 'Daily Wind Direction (aoss_tower.wind_dir.YYYY-MM-DD.png)',
                             },
                             'accum-precip-daily': {
                                 'frequency': ProductFrequency.DAILY_FILE,
                                 'pattern': 'aoss_tower.accum_precip.%Y-%m-%d.png',
+                                'thumbnail_pattern': 'aoss_tower.accum_precip.%Y-%m-%d_thumbnail.png',
                                 'display_name': 'Daily Accumulated Precipitation (aoss_tower.accum_precip.YYYY-MM-DD.png)',
                             },
                             'solar-flux-daily': {
                                 'frequency': ProductFrequency.DAILY_FILE,
                                 'pattern': 'aoss_tower.solar_flux.%Y-%m-%d.png',
+                                'thumbnail_pattern': 'aoss_tower.solar_flux.%Y-%m-%d_thumbnail.png',
                                 'display_name': 'Daily Solar Flux (aoss_tower.solar_flux.YYYY-MM-DD.png)',
                             },
                         },
@@ -173,6 +181,10 @@ for site, site_info in ARCHIVE_INFO.items():
                         'version': version,
                         'file_pattern': pattern_info['pattern']
                     }
+                    if 'thumbnail_pattern' in pattern_info:
+                        stream_info['thumbnail'] = path.replace(pattern_info['pattern'], pattern_info['thumbnail_pattern'])
+                    else:
+                        stream_info['thumbnail'] = None
                     ARCHIVE_STREAMS[stream_id] = stream_info
                     INSTRUMENT_STREAMS[inst_name].append(stream_id)