"""
Worksheet Models - Datenstrukturen und HTML-Rendering fuer Arbeitsblaetter.
"""
import re
from dataclasses import dataclass
from typing import Any
@dataclass
class WorksheetSection:
"""A section of the worksheet"""
title: str
content_type: str # "text", "table", "exercises", "blanks"
content: Any
difficulty: int = 1 # 1-4
@dataclass
class Worksheet:
"""Complete worksheet structure"""
title: str
subtitle: str
unit_id: str
locale: str
sections: list[WorksheetSection]
footer: str = ""
def to_html(self) -> str:
"""Convert worksheet to HTML (for PDF conversion via weasyprint)"""
html_parts = [
"",
"",
"",
"",
"",
"",
"",
f"{self.title}
",
f"{self.subtitle}
",
]
for section in self.sections:
html_parts.append(_render_section(section))
html_parts.extend([
f"",
"",
""
])
return "\n".join(html_parts)
def _get_styles() -> str:
return """
@page {
size: A4;
margin: 2cm;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
font-size: 11pt;
line-height: 1.5;
color: #333;
}
header {
text-align: center;
margin-bottom: 1.5em;
border-bottom: 2px solid #2c5282;
padding-bottom: 1em;
}
h1 {
color: #2c5282;
margin-bottom: 0.25em;
font-size: 20pt;
}
.subtitle {
color: #666;
font-style: italic;
}
h2 {
color: #2c5282;
border-bottom: 1px solid #e2e8f0;
padding-bottom: 0.25em;
margin-top: 1.5em;
font-size: 14pt;
}
h3 {
color: #4a5568;
font-size: 12pt;
}
table {
width: 100%;
border-collapse: collapse;
margin: 1em 0;
}
th, td {
border: 1px solid #e2e8f0;
padding: 0.5em;
text-align: left;
}
th {
background-color: #edf2f7;
font-weight: bold;
}
.exercise {
margin: 1em 0;
padding: 1em;
background-color: #f7fafc;
border-left: 4px solid #4299e1;
}
.exercise-number {
font-weight: bold;
color: #2c5282;
}
.blank {
display: inline-block;
min-width: 100px;
border-bottom: 1px solid #333;
margin: 0 0.25em;
}
.difficulty {
font-size: 9pt;
color: #718096;
}
.difficulty-1 { color: #48bb78; }
.difficulty-2 { color: #4299e1; }
.difficulty-3 { color: #ed8936; }
.difficulty-4 { color: #f56565; }
.reflection {
margin-top: 2em;
padding: 1em;
background-color: #fffaf0;
border: 1px dashed #ed8936;
}
.write-area {
min-height: 80px;
border: 1px solid #e2e8f0;
margin: 0.5em 0;
background-color: #fff;
}
footer {
margin-top: 2em;
padding-top: 1em;
border-top: 1px solid #e2e8f0;
font-size: 9pt;
color: #718096;
text-align: center;
}
ul, ol {
margin: 0.5em 0;
padding-left: 1.5em;
}
.objectives {
background-color: #ebf8ff;
padding: 1em;
border-radius: 4px;
}
"""
def _render_section(section: WorksheetSection) -> str:
parts = [f"{section.title}
"]
if section.content_type == "text":
parts.append(f"{section.content}
")
elif section.content_type == "objectives":
parts.append("")
for obj in section.content:
parts.append(f"- {obj}
")
parts.append("
")
for header in section.content.get("headers", []):
parts.append(f"| {header} | ")
parts.append("
")
for row in section.content.get("rows", []):
parts.append("")
for cell in row:
parts.append(f"| {cell} | ")
parts.append("
")
parts.append("
")
elif section.content_type == "exercises":
for i, ex in enumerate(section.content, 1):
diff_class = f"difficulty-{ex.get('difficulty', 1)}"
diff_stars = "*" * ex.get("difficulty", 1)
parts.append(f"""
Aufgabe {i}
({diff_stars})
{ex.get('question', '')}
{_render_exercise_input(ex)}
""")
elif section.content_type == "blanks":
text = section.content
text = re.sub(r'\*([^*]+)\*', r"", text)
parts.append(f"{text}
")
elif section.content_type == "reflection":
parts.append("")
parts.append(f"
{section.content.get('prompt', '')}
")
parts.append("
")
parts.append("
"]
for opt in options:
parts.append(f"- □ {opt}
")
parts.append("
")
return "\n".join(parts)
elif ex_type == "matching":
left = exercise.get("left", [])
right = exercise.get("right", [])
parts = ["| Begriff | Zuordnung |
|---|
"]
for i, item in enumerate(left):
parts.append(f"| {item} | |
")
parts.append("
")
return "\n".join(parts)
elif ex_type == "sequence":
items = exercise.get("items", [])
parts = ["Bringe in die richtige Reihenfolge:
"]
for item in items:
parts.append(f"")
parts.append("
")
parts.append(f"Begriffe: {', '.join(items)}
")
return "\n".join(parts)
else:
return ""