fix: ics description length

Author: JesperDramsch

_layouts/calendar-conferences.ics

@@ -10,7 +10,8 @@ ORGANIZER:pythondeadlin.es
 DTSTAMP:{{ site.time | date: "%Y%m%dT%H%M%SZ" }}
 DTSTART;VALUE=DATE:{{ conf.start | date: "%Y%m%d"}}
 DTEND;VALUE=DATE:{{ conf.end | date: "%Y%m%d"}}
-DESCRIPTION:<a href="{{conf.link}}">{{ conf.conference }} {{ conf.year }}</a> found on <a href="https://pythondeadlin.es">PythonDeadlin.es</a>.
+{%- capture desc -%}<a href="{{conf.link}}">{{ conf.conference }} {{ conf.year }}</a> found on <a href="https://pythondeadlin.es">PythonDeadlin.es</a>.{%- endcapture -%}
+{{ desc | prepend: "DESCRIPTION:" | normalize_whitespace | wrap_lines }}
 LOCATION:{{ conf.place }}
 ORGANIZER:pythondeadlin.es
 END:VEVENT{% endfor %}

_layouts/calendar-deadlines.ics

@@ -4,17 +4,19 @@ VERSION:2.0
 PRODID:-//{{ site.url }}//{{ site.github_repo }}//EN
 X-PUBLISHED-TTL:PT1H{% for conf in site.data.conferences %}
 {%- if conf.cfp_ext -%}{%- assign cfp = conf.cfp_ext -%}{%- assign extended = "(extended)" -%}{%- else -%}{%- assign cfp = conf.cfp -%}{%- endif -%}
+{%- capture desc -%}<a href="{{conf.link}}">{{ conf.conference }} {{ conf.year }}</a> found on <a href="https://pythondeadlin.es">PythonDeadlin.es</a>.{%- endcapture -%}
 {% if conf.workshop_deadline and conf.workshop_deadline != "TBA" %}
 BEGIN:VEVENT
 SUMMARY:{{ conf.conference }} {{ conf.year }} Workshop Deadline
 UID:{{conf.conference | slugify: "latin"}}-{{conf.year}}-workshop {%- if conf.timezone contains "UTC" -%} {%- assign tz = conf.timezone | split: "UTC" -%} {%- if tz[1] contains "-" -%} {%- assign tz = tz[1] | replace: "-", "+" -%} {%- else if tz[1] contains "+" -%} {%- assign tz = tz[1] | replace: "+", "-" -%} {%- else assign tz = tz[1] -%} {%- endif -%}
 ORGANIZER:pythondeadlin.es
-DESCRIPTION:<a href="{{conf.link}}">{{ conf.conference }} {{ conf.year }}</a> found on <a href="https://pythondeadlin.es">PythonDeadlin.es</a>.
+{%- capture desc -%}<a href="{{conf.link}}">{{ conf.conference }} {{ conf.year }}</a> found on <a href="https://pythondeadlin.es">PythonDeadlin.es</a>.{%- endcapture -%}
+{{ desc | prepend: "DESCRIPTION:" | normalize_whitespace | wrap_lines }}
 DTSTAMP:{{ site.time | date: "%Y%m%dT%H%M%SZ" }}
 DTSTART;TZID=Etc/GMT{{ tz }}:{{ conf.workshop_deadline | date: "%Y%m%dT%H%M%S" }}
 {% else %}
 ORGANIZER:pythondeadlin.es
-DESCRIPTION:<a href="{{conf.link}}">{{ conf.conference }} {{ conf.year }}</a> found on <a href="https://pythondeadlin.es">PythonDeadlin.es</a>.
+{{ desc | prepend: "DESCRIPTION:" | normalize_whitespace | wrap_lines }}
 DTSTAMP:{{ site.time | date: "%Y%m%dT%H%M%SZ" }}
 DTSTART;TZID={{ conf.timezone }}:{{ conf.workshop_deadline | date: "%Y%m%dT%H%M%S" }}
 {% endif %}END:VEVENT
@@ -24,12 +26,12 @@ BEGIN:VEVENT
 SUMMARY:{{ conf.conference }} {{ conf.year }} Tutorial Deadline
 UID:{{conf.conference | slugify: "latin"}}-{{conf.year}}-tutorial {%- if conf.timezone contains "UTC" -%} {%- assign tz = conf.timezone | split: "UTC" -%} {%- if tz[1] contains "-" -%} {%- assign tz = tz[1] | replace: "-", "+" -%} {%- else if tz[1] contains "+" -%} {%- assign tz = tz[1] | replace: "+", "-" -%} {%- else assign tz = tz[1] -%} {%- endif -%}
 ORGANIZER:pythondeadlin.es
-DESCRIPTION:<a href="{{conf.link}}">{{ conf.conference }} {{ conf.year }}</a> found on <a href="https://pythondeadlin.es">PythonDeadlin.es</a>.
+{{ desc | prepend: "DESCRIPTION:" | normalize_whitespace | wrap_lines }}
 DTSTAMP:{{ site.time | date: "%Y%m%dT%H%M%SZ" }}
 DTSTART;TZID=Etc/GMT{{ tz }}:{{ conf.tutorial_deadline | date: "%Y%m%dT%H%M%S" }}
 {% else %}
 ORGANIZER:pythondeadlin.es
-DESCRIPTION:<a href="{{conf.link}}">{{ conf.conference }} {{ conf.year }}</a> found on <a href="https://pythondeadlin.es">PythonDeadlin.es</a>.
+{{ desc | prepend: "DESCRIPTION:" | normalize_whitespace | wrap_lines }}
 DTSTAMP:{{ site.time | date: "%Y%m%dT%H%M%SZ" }}
 DTSTART;TZID={{ conf.timezone }}:{{ conf.tutorial_deadline | date: "%Y%m%dT%H%M%S" }}
 {% endif %}END:VEVENT
@@ -39,12 +41,12 @@ BEGIN:VEVENT
 SUMMARY:{{ conf.conference }} {{ conf.year }} Deadline {{ extended }}
 UID:{{conf.conference | slugify: "latin"}}-{{conf.year}} {%- if conf.timezone contains "UTC" -%} {%- assign tz = conf.timezone | split: "UTC" -%} {%- if tz[1] contains "-" -%} {%- assign tz = tz[1] | replace: "-", "+" -%} {%- else if tz[1] contains "+" -%} {%- assign tz = tz[1] | replace: "+", "-" -%} {%- else assign tz = tz[1] -%} {%- endif -%}
 ORGANIZER:pythondeadlin.es
-DESCRIPTION:<a href="{{conf.link}}">{{ conf.conference }} {{ conf.year }}</a> found on <a href="https://pythondeadlin.es">PythonDeadlin.es</a>.
+{{ desc | prepend: "DESCRIPTION:" | normalize_whitespace | wrap_lines }}
 DTSTAMP:{{ site.time | date: "%Y%m%dT%H%M%SZ" }}
 DTSTART;TZID=Etc/GMT{{ tz }}:{{ cfp | date: "%Y%m%dT%H%M%S" }}
 {% else %}
 ORGANIZER:pythondeadlin.es
-DESCRIPTION:<a href="{{conf.link}}">{{ conf.conference }} {{ conf.year }}</a> found on <a href="https://pythondeadlin.es">PythonDeadlin.es</a>.
+{{ desc | prepend: "DESCRIPTION:" | normalize_whitespace | wrap_lines }}
 DTSTAMP:{{ site.time | date: "%Y%m%dT%H%M%SZ" }}
 DTSTART;TZID={{ conf.timezone }}:{{ cfp | date: "%Y%m%dT%H%M%S" }}
 {% endif %}END:VEVENT

_plugins/jekyll-ics-wrap-lines-filter.rb

@@ -0,0 +1,21 @@
+module Jekyll
+  module WrapLinesFilter
+    def wrap_lines(input_string)
+      max_length = 72
+      wrapped_string = ""
+
+      while input_string.length > max_length
+        line = input_string.slice!(0, max_length)
+        line += "\r\n "
+        wrapped_string += line
+      end
+
+      wrapped_string += input_string
+
+      wrapped_string
+
+    end
+  end
+end
+
+Liquid::Template.register_filter(Jekyll::WrapLinesFilter)