requirements.txt

-Django==4.1.5
-django-bootstrap5==22.2
-fontawesomefree==6.2.1 # Makes static files (css, fonts) available locally
-django-fontawesome-6==1.0.0.0 # Provides an icon field for models and forms as well as handy shortcuts to render icons
-django-split-settings==1.2.0
-django-timezone-field==5.0
-djangorestframework==3.14.0
-django-simple-history==3.2.0
-django-registration-redux==2.11
-django-debug-toolbar==3.8.1
-django-bootstrap-datepicker-plus==5.0.2
+Django==5.2.1
+django-betterforms==2.0.0
+django-bootstrap-datepicker-plus==5.0.5
+django-bootstrap5==25.1
+django-compressor==4.5.1
+django-debug-toolbar==5.2.0
+django-fontawesome-6==1.0.0.0  # Provides an icon field for models and forms as well as handy shortcuts to render icons
+django-libsass==0.9
+django-registration-redux==2.13
+django-simple-history==3.8.0
+django-split-settings==1.3.2
 django-tex==1.1.10
-django-csp==3.7
-mysqlclient==2.1.1  # for production deployment
-tzdata==2022.7
+django-timezone-field==7.1
+django_csp==3.8
+djangorestframework==3.16.0
+
+fontawesomefree==6.6.0  # Makes static files (css, fonts) available locally
+mysqlclient==2.2.7  # for production deployment
+tzdata==2025.2
+jsonschema==4.23.0
+
+# Documentation
+Sphinx==8.2.3
+sphinx-rtd-theme==3.0.2
+sphinxcontrib-apidoc==0.6.0
+sphinxcontrib-django==2.5.0
+recommonmark==0.7.1
+django-docs==0.3.3
+
+# Testing
+unittest-xml-reporting==3.2.0
+beautifulsoup4==4.13.4

schemas/ak-export.schema.json

+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "schemas/ak-export.schema.json",
+  "properties": {
+    "info": {
+      "$ref": "ak.schema.json#/properties/info",
+      "unevaluatedProperties": false
+    }
+  }
+}

schemas/ak.schema.json

+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "schemas/ak.schema.json",
+  "title": "AK",
+  "type": "object",
+  "properties": {
+    "id": {
+      "$ref": "common/id.schema.json",
+      "description": "The unique identifier of an AK"
+    },
+    "duration": {
+      "description": "The number of consecutive slot units",
+      "type": "integer",
+      "exclusiveMinimum": 0
+    },
+    "room_constraints": {
+      "$ref": "common/constraints.schema.json",
+      "description": "Room constraints required by this AK"
+    },
+    "time_constraints": {
+      "$ref": "common/constraints.schema.json",
+      "description": "Time constraints required by this AK"
+    },
+    "properties": {
+      "type": "object",
+      "properties": {
+        "conflicts": {
+          "$ref": "common/id_array.schema.json",
+          "description": "IDs of all AKs that are in conflict with this AK"
+        },
+        "dependencies": {
+          "$ref": "common/id_array.schema.json",
+          "description": "IDs of all AKs that should be scheduled before this AK"
+        }
+      },
+      "required": ["conflicts", "dependencies"],
+      "additionalProperties": false
+    },
+    "info": {
+      "type": "object",
+      "properties": {
+        "name": {"description": "Name of the AK", "type": "string"},
+        "head": {"description": "Name of the head of the AK", "type": "string"},
+        "description": {"description": "Short description of the AK", "type": "string"},
+        "reso": {"description": "Whether this AK intends to introduce a resolution", "type": "boolean"},
+        "duration_in_hours": {"description": "AK duration in hours", "type": "number"},
+        "django_ak_id": {
+          "$ref": "common/id.schema.json",
+          "description": "Unique identifier of the AK object in the django database"
+        },
+        "types": {
+          "$ref": "common/constraints.schema.json",
+          "description": "Types of this AK"
+        }
+      },
+      "required": ["name", "head", "description", "reso", "duration_in_hours", "django_ak_id", "types"]
+    }
+  },
+  "required": ["id", "duration", "room_constraints", "time_constraints", "properties", "info"],
+  "additionalProperties": false
+}

schemas/common/constraints.schema.json

+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "schemas/common/constraints.schema.json",
+  "type": "array",
+  "items": {"type": "string"},
+  "uniqueItems": true
+}
\ No newline at end of file

schemas/common/id.schema.json

+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "schemas/common/id.schema.json",
+  "type": "integer",
+  "minimum": 0
+}
\ No newline at end of file

schemas/common/id_array.schema.json

+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "schemas/common/id_array.schema.json",
+  "type": "array",
+  "items": {"type": "integer"},
+  "uniqueItems": true
+}
\ No newline at end of file

schemas/participant-export.schema.json

+
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "schemas/participant-export.schema.json",
+  "properties": {
+    "preferences": {
+        "items": {
+          "properties": {
+            "preference_score": {
+              "anyOf": [
+                {"const": -1}, {"const": 1}, {"const": 2}
+              ]
+            }
+          }
+        }
+    },
+    "info": {
+      "$ref": "participant.schema.json#/properties/info",
+      "unevaluatedProperties": false
+    }
+  }
+}

schemas/participant.schema.json

+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "schemas/participant.schema.json",
+  "title": "Participant",
+  "type": "object",
+  "properties": {
+    "id": {
+      "$ref": "common/id.schema.json",
+      "description": "The unique identifier of a participant"
+    },
+    "preferences": {
+        "description": "AK preferences of the participant",
+        "type": "array",
+        "items": {
+          "type": "object",
+          "properties": {
+            "ak_id": {
+              "$ref": "common/id.schema.json",
+              "description": "The unique identifier of the AK"
+            },
+            "required": {
+              "type": "boolean",
+              "description": "whether this participant is required for the AK"
+            },
+            "preference_score": {
+              "type": "integer",
+              "description": "The prefeference score for this AK",
+              "default": 0,
+              "minimum": -1,
+              "maximum": 2
+            }
+          },
+          "required": ["ak_id", "required", "preference_score"],
+          "additionalProperties": false
+        },
+        "uniqueItems": true
+    },
+    "room_constraints": {
+      "$ref": "common/constraints.schema.json",
+      "description": "Room constraints required by this participant"
+    },
+    "time_constraints": {
+      "$ref": "common/constraints.schema.json",
+      "description": "Time constraints required by this participant"
+    },
+    "info": {
+      "type": "object",
+      "properties": {"name": {"description": "Name of the person", "type": "string"}},
+      "required": ["name"]
+    }
+  },
+  "required": ["id", "room_constraints", "time_constraints", "info"],
+  "additionalProperties": false
+}

schemas/room-export.schema.json

+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "schemas/room-export.schema.json",
+  "properties": {
+    "info": {
+      "$ref": "room.schema.json#/properties/info",
+      "unevaluatedProperties": false
+    }
+  }
+}

schemas/room.schema.json

+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "schemas/room.schema.json",
+  "title": "Room",
+  "type": "object",
+  "properties": {
+    "id": {
+      "$ref": "common/id.schema.json",
+      "description": "The unique identifier of a room"
+    },
+    "capacity": {
+      "description": "The maximum number of total participants. Unbounded capacity is represented by -1",
+      "type": "integer",
+      "anyOf": [
+        {"minimum": 1}, {"const": -1}
+      ]
+    },
+    "fulfilled_room_constraints": {
+      "$ref": "common/constraints.schema.json",
+      "description": "Constraints fulfilled by this room"
+    },
+    "time_constraints": {
+      "$ref": "common/constraints.schema.json",
+      "description": "Time constraints required by this room"
+    },
+    "info": {
+      "type": "object",
+      "properties": {
+        "name": {"description": "Name of the room", "type": "string"}
+      },
+      "required": ["name"]
+    }
+  },
+  "required": ["id", "capacity", "fulfilled_room_constraints", "time_constraints", "info"],
+  "additionalProperties": false
+}
\ No newline at end of file

schemas/solver-input-export.schema.json

+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "schemas/solver-input-export.schema.json",
+  "allOf": [{ "$ref": "solver-input.schema.json"}],
+  "properties": {
+    "participants": {"items": {"$ref": "participant-export.schema.json"}},
+    "rooms": {"items": {"$ref": "room-export.schema.json"}},
+    "timeslots": {"items": {"$ref": "timeslot-export.schema.json"}},
+    "aks": {"items": {"$ref": "ak-export.schema.json"}},
+    "info": {
+      "$ref": "solver-input.schema.json#/properties/info",
+      "unevaluatedProperties": false
+    }
+  }
+}
\ No newline at end of file

schemas/solver-input.schema.json

+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "schemas/solver-input.schema.json",
+  "type": "object",
+  "properties": {
+      "aks": {"type": "array", "items": {"$ref": "ak.schema.json"}, "uniqueItems": true},
+      "rooms": {"type": "array", "items": {"$ref": "room.schema.json"}, "uniqueItems": true},
+      "participants": {"type": "array", "items": {"$ref": "participant.schema.json"}, "uniqueItems": true},
+      "timeslots": {"$ref": "timeslot.schema.json"},
+      "info": {
+        "type": "object",
+        "properties": {
+          "title": {"type": "string"},
+          "slug": {"type": "string"},
+          "place": {"type": "string"},
+          "contact_email": {"type": "string"}
+        }
+      }
+  },
+  "required": ["aks", "rooms", "participants", "timeslots", "info"],
+  "additionalProperties": false
+}

schemas/solver-output.schema.json

+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "schemas/solver-output.schema.json",
+  "type": "object",
+  "additionalProperties": false,
+  "required": ["input", "scheduled_aks"],
+  "properties": {
+    "input": {"$ref": "solver-input.schema.json"},
+    "scheduled_aks": {
+      "type": "array",
+      "items": {
+        "description": "An object representing the scheduling information for one AK",
+        "type": "object",
+        "properties": {
+          "ak_id": {
+            "description": "The unique identifier of the scheduled AK",
+            "type": "integer",
+            "minimum": 0
+          },
+          "room_id": {
+            "description": "The unique identifier of the room the AK takes place in",
+            "type": "integer",
+            "minimum": 0
+          },
+          "timeslot_ids": {
+            "description": "The unique identifiers of all timeslots the AK takes place in",
+            "type": "array",
+            "items": {
+              "description": "The unique identifier of the referenced timeslot",
+              "type": "integer",
+              "minimum": 0
+            },
+            "uniqueItems": true
+          },
+          "participant_ids": {
+            "description": "The unique identifiers of all participants assigned to the AK",
+            "type": "array",
+            "items": {
+              "description": "The unique identifier of the referenced participant",
+              "type": "integer",
+              "minimum": 0
+            },
+            "uniqueItems": true
+          }
+        },
+        "required": ["ak_id", "room_id", "timeslot_ids", "participant_ids"],
+        "additionalProperties": false
+      },
+      "uniqueItems": true
+    }
+  }
+}

schemas/timeslot-export.schema.json

+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "schemas/timeslot-export.schema.json",
+  "properties": {
+    "info": {
+      "$ref": "timeslot.schema.json#/properties/info",
+      "unevaluatedProperties": false
+    },
+    "blocks": {
+      "items": {
+        "items": {
+          "info": {
+            "$ref": "timeslot.schema.json#/properties/blocks/items/items/info",
+            "unevaluatedProperties": false
+          }
+        }
+      }
+    }
+  }
+}

schemas/timeslot.schema.json

+ {
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "schemas/timeslot.schema.json",
+  "title": "Timeslot",
+  "type": "object",
+  "required": ["info", "blocks"],
+  "additionalProperties": false,
+  "properties": {
+    "info": {
+      "type": "object",
+      "properties": {
+        "duration": {"description": "Duration in hours of a slot unit", "type": "number"},
+        "blocknames": {
+          "type": "array",
+          "items": {
+            "type": "array",
+            "items": {"type": "string"},
+            "minItems": 2,
+            "maxItems": 2
+          }
+        }
+      },
+      "required": ["duration"]
+    },
+    "blocks": {
+      "type": "array",
+      "description": "Blocks of consecutive timeslots",
+      "items": {
+        "type": "array",
+        "description": "A single block of consecutive timeslots",
+        "items": {
+          "type": "object",
+          "description": "A single timeslot",
+          "properties": {
+            "id": {
+              "$ref": "common/id.schema.json",
+              "description": "The unique identifier of the single timeslot. Accross all blocks, the ids must be sorted chronologically."
+            },
+            "info": {
+              "type": "object",
+              "properties": {
+                "start": {"description": "Start datetime of the timeslot", "type": "string"},
+                "end": {"description": "End datetime of the timeslot", "type": "string"}
+              },
+              "required": ["start", "end"]
+            },
+            "fulfilled_time_constraints": {
+              "$ref": "common/constraints.schema.json",
+              "description": "Time constraints fulfilled by this timeslot"
+            }
+          },
+          "required": ["id", "info", "fulfilled_time_constraints"],
+          "additionalProperties": false
+        }
+      }
+    }
+  }
+}
+ 
\ No newline at end of file

setup.cfg

+[pycodestyle]
+max-line-length = 120
+exclude = migrations,static
+max-complexity = 11

static_common/common/css/admin-bootstrap.css

-/*
-    Load both the django admin base style and bootstrap -- but make sure bootstrap is loaded first to override all critical theme settings from bootstrap with the default admin style.
-    This especially fixes the dark theme.
-*/
-@import "/static/common/css/bootstrap.css";
-@import "../../admin/css/base.css";
-@import "/static/common/css/custom.css";

static_common/common/js/availabilities.js

@@ -53,6 +53,10 @@ function createAvailabilityEditors(timezone, language, startDate, endDate, slotR
         let plan = new FullCalendar.Calendar(editor[0], {
             timeZone: timezone,
             themeSystem: 'bootstrap5',
+            buttonIcons: {
+                prev: 'ignore fa-solid fa-angle-left',
+                next: 'ignore fa-solid fa-angle-right',
+            },
             locale: language,
             schedulerLicenseKey: 'GPL-My-Project-Is-Open-Source',
             editable: editable,
@@ -68,6 +72,7 @@ function createAvailabilityEditors(timezone, language, startDate, endDate, slotR
                     },
                 }
             },
+            contentHeight: 'auto',
             allDaySlot: true,
             events: data.availabilities,
             eventBackgroundColor: eventColor,

static_common/common/vendor/bootstrap/scss/_accordion.scss

+//
+// Base styles
+//
+
+.accordion {
+  // scss-docs-start accordion-css-vars
+  --#{$prefix}accordion-color: #{$accordion-color};
+  --#{$prefix}accordion-bg: #{$accordion-bg};
+  --#{$prefix}accordion-transition: #{$accordion-transition};
+  --#{$prefix}accordion-border-color: #{$accordion-border-color};
+  --#{$prefix}accordion-border-width: #{$accordion-border-width};
+  --#{$prefix}accordion-border-radius: #{$accordion-border-radius};
+  --#{$prefix}accordion-inner-border-radius: #{$accordion-inner-border-radius};
+  --#{$prefix}accordion-btn-padding-x: #{$accordion-button-padding-x};
+  --#{$prefix}accordion-btn-padding-y: #{$accordion-button-padding-y};
+  --#{$prefix}accordion-btn-color: #{$accordion-button-color};
+  --#{$prefix}accordion-btn-bg: #{$accordion-button-bg};
+  --#{$prefix}accordion-btn-icon: #{escape-svg($accordion-button-icon)};
+  --#{$prefix}accordion-btn-icon-width: #{$accordion-icon-width};
+  --#{$prefix}accordion-btn-icon-transform: #{$accordion-icon-transform};
+  --#{$prefix}accordion-btn-icon-transition: #{$accordion-icon-transition};
+  --#{$prefix}accordion-btn-active-icon: #{escape-svg($accordion-button-active-icon)};
+  --#{$prefix}accordion-btn-focus-border-color: #{$accordion-button-focus-border-color};
+  --#{$prefix}accordion-btn-focus-box-shadow: #{$accordion-button-focus-box-shadow};
+  --#{$prefix}accordion-body-padding-x: #{$accordion-body-padding-x};
+  --#{$prefix}accordion-body-padding-y: #{$accordion-body-padding-y};
+  --#{$prefix}accordion-active-color: #{$accordion-button-active-color};
+  --#{$prefix}accordion-active-bg: #{$accordion-button-active-bg};
+  // scss-docs-end accordion-css-vars
+}
+
+.accordion-button {
+  position: relative;
+  display: flex;
+  align-items: center;
+  width: 100%;
+  padding: var(--#{$prefix}accordion-btn-padding-y) var(--#{$prefix}accordion-btn-padding-x);
+  @include font-size($font-size-base);
+  color: var(--#{$prefix}accordion-btn-color);
+  text-align: left; // Reset button style
+  background-color: var(--#{$prefix}accordion-btn-bg);
+  border: 0;
+  @include border-radius(0);
+  overflow-anchor: none;
+  @include transition(var(--#{$prefix}accordion-transition));
+
+  &:not(.collapsed) {
+    color: var(--#{$prefix}accordion-active-color);
+    background-color: var(--#{$prefix}accordion-active-bg);
+    box-shadow: inset 0 calc(-1 * var(--#{$prefix}accordion-border-width)) 0 var(--#{$prefix}accordion-border-color); // stylelint-disable-line function-disallowed-list
+
+    &::after {
+      background-image: var(--#{$prefix}accordion-btn-active-icon);
+      transform: var(--#{$prefix}accordion-btn-icon-transform);
+    }
+  }
+
+  // Accordion icon
+  &::after {
+    flex-shrink: 0;
+    width: var(--#{$prefix}accordion-btn-icon-width);
+    height: var(--#{$prefix}accordion-btn-icon-width);
+    margin-left: auto;
+    content: "";
+    background-image: var(--#{$prefix}accordion-btn-icon);
+    background-repeat: no-repeat;
+    background-size: var(--#{$prefix}accordion-btn-icon-width);
+    @include transition(var(--#{$prefix}accordion-btn-icon-transition));
+  }
+
+  &:hover {
+    z-index: 2;
+  }
+
+  &:focus {
+    z-index: 3;
+    border-color: var(--#{$prefix}accordion-btn-focus-border-color);
+    outline: 0;
+    box-shadow: var(--#{$prefix}accordion-btn-focus-box-shadow);
+  }
+}
+
+.accordion-header {
+  margin-bottom: 0;
+}
+
+.accordion-item {
+  color: var(--#{$prefix}accordion-color);
+  background-color: var(--#{$prefix}accordion-bg);
+  border: var(--#{$prefix}accordion-border-width) solid var(--#{$prefix}accordion-border-color);
+
+  &:first-of-type {
+    @include border-top-radius(var(--#{$prefix}accordion-border-radius));
+
+    .accordion-button {
+      @include border-top-radius(var(--#{$prefix}accordion-inner-border-radius));
+    }
+  }
+
+  &:not(:first-of-type) {
+    border-top: 0;
+  }
+
+  // Only set a border-radius on the last item if the accordion is collapsed
+  &:last-of-type {
+    @include border-bottom-radius(var(--#{$prefix}accordion-border-radius));
+
+    .accordion-button {
+      &.collapsed {
+        @include border-bottom-radius(var(--#{$prefix}accordion-inner-border-radius));
+      }
+    }
+
+    .accordion-collapse {
+      @include border-bottom-radius(var(--#{$prefix}accordion-border-radius));
+    }
+  }
+}
+
+.accordion-body {
+  padding: var(--#{$prefix}accordion-body-padding-y) var(--#{$prefix}accordion-body-padding-x);
+}
+
+
+// Flush accordion items
+//
+// Remove borders and border-radius to keep accordion items edge-to-edge.
+
+.accordion-flush {
+  .accordion-collapse {
+    border-width: 0;
+  }
+
+  .accordion-item {
+    border-right: 0;
+    border-left: 0;
+    @include border-radius(0);
+
+    &:first-child { border-top: 0; }
+    &:last-child { border-bottom: 0; }
+
+    .accordion-button {
+      &,
+      &.collapsed {
+        @include border-radius(0);
+      }
+    }
+  }
+}