diff --git a/backend/api/formula_data/__init__.py b/backend/api/formula_data/__init__.py
index c008519..5fc8406 100644
--- a/backend/api/formula_data/__init__.py
+++ b/backend/api/formula_data/__init__.py
@@ -17,6 +17,8 @@
from .physics_ii import FORMULAS as PHYSICS_II, CLASS_NAME as PHYSICS_II_NAME
from .statistics_i import FORMULAS as STATISTICS_I, CLASS_NAME as STATISTICS_I_NAME
from .statistics_ii import FORMULAS as STATISTICS_II, CLASS_NAME as STATISTICS_II_NAME
+from .linear_algebra_i import FORMULAS as LINEAR_ALGEBRA_I, CLASS_NAME as LINEAR_ALGEBRA_I_NAME
+from .linear_algebra_ii import FORMULAS as LINEAR_ALGEBRA_II, CLASS_NAME as LINEAR_ALGEBRA_II_NAME
AVAILABLE_CLASSES = [
PRE_ALGEBRA_NAME,
@@ -33,6 +35,8 @@
PHYSICS_II_NAME,
STATISTICS_I_NAME,
STATISTICS_II_NAME,
+ LINEAR_ALGEBRA_I_NAME,
+ LINEAR_ALGEBRA_II_NAME,
]
# Classes that have categories (normal structure)
@@ -50,6 +54,8 @@
PHYSICS_II_NAME,
STATISTICS_I_NAME,
STATISTICS_II_NAME,
+ LINEAR_ALGEBRA_I_NAME,
+ LINEAR_ALGEBRA_II_NAME,
]
# Special classes with no categories (single toggle)
@@ -71,6 +77,8 @@
PHYSICS_II_NAME: PHYSICS_II,
STATISTICS_I_NAME: STATISTICS_I,
STATISTICS_II_NAME: STATISTICS_II,
+ LINEAR_ALGEBRA_I_NAME: LINEAR_ALGEBRA_I,
+ LINEAR_ALGEBRA_II_NAME: LINEAR_ALGEBRA_II,
}
diff --git a/backend/api/formula_data/linear_algebra_i.py b/backend/api/formula_data/linear_algebra_i.py
new file mode 100644
index 0000000..9ae39be
--- /dev/null
+++ b/backend/api/formula_data/linear_algebra_i.py
@@ -0,0 +1,20 @@
+""" LINEAR ALGEBRA I formulas """
+CLASS_NAME = "LINEAR ALGEBRA I"
+
+FORMULAS = {
+ "Vector Basics": [
+ {"name": "Vector Addition", "latex": r"\mathbf{u} + \mathbf{v} = \langle u_1+v_1, u_2+v_2 \rangle"},
+ {"name": "Scalar Multiplication", "latex": r"k\mathbf{u} = \langle ku_1, ku_2 \rangle"},
+ {"name": "Magnitude (L2 Norm)", "latex": r"\|\mathbf{v}\| = \sqrt{v_1^2 + v_2^2 + \dots + v_n^2}"},
+ {"name": "Dot Product", "latex": r"\mathbf{u} \cdot \mathbf{v} = u_1v_1 + u_2v_2 + \dots + u_nv_n"},
+ ],
+ "Matrix Operations": [
+ {"name": "Matrix Addition", "latex": r"A + B = [a_{ij} + b_{ij}]"},
+ {"name": "Matrix-Vector Multiplication", "latex": r"A\mathbf{x} = \mathbf{b}"},
+ {"name": "Transpose", "latex": r"(A^T)_{ij} = A_{ji}"},
+ ],
+ "2x2 Systems": [
+ {"name": "2x2 Determinant", "latex": r"\det(A) = ad - bc"},
+ {"name": "2x2 Inverse", "latex": r"A^{-1} = \frac{1}{ad-bc} \begin{bmatrix} d & -b \\ -c & a \end{bmatrix}"},
+ ]
+}
\ No newline at end of file
diff --git a/backend/api/formula_data/linear_algebra_ii.py b/backend/api/formula_data/linear_algebra_ii.py
new file mode 100644
index 0000000..add5433
--- /dev/null
+++ b/backend/api/formula_data/linear_algebra_ii.py
@@ -0,0 +1,19 @@
+""" LINEAR ALGEBRA II formulas """
+CLASS_NAME = "LINEAR ALGEBRA II"
+
+FORMULAS = {
+ "Matrix Properties": [
+ {"name": "Invertibility Condition", "latex": r"A \text{ is invertible iff } \det(A) \neq 0"},
+ {"name": "Matrix Multiplication Property", "latex": r"(AB)^{-1} = B^{-1}A^{-1}"},
+ {"name": "Orthogonality", "latex": r"Q^T Q = I"},
+ ],
+ "Eigenvalues & Eigenvectors": [
+ {"name": "Characteristic Equation", "latex": r"\det(A - \lambda I) = 0"},
+ {"name": "Eigenvector Definition", "latex": r"A\mathbf{v} = \lambda\mathbf{v}"},
+ ],
+ "Decompositions & Spaces": [
+ {"name": "Diagonalization", "latex": r"A = PDP^{-1}"},
+ {"name": "Rank-Nullity Theorem", "latex": r"\text{rank}(A) + \text{nullity}(A) = n"},
+ {"name": "Projection Formula", "latex": r"\text{proj}_{\mathbf{u}}(\mathbf{v}) = \frac{\mathbf{u} \cdot \mathbf{v}}{\|\mathbf{u}\|^2}\mathbf{u}"},
+ ]
+}
\ No newline at end of file
diff --git a/backend/api/latex_utils.py b/backend/api/latex_utils.py
index 802361a..e186b59 100644
--- a/backend/api/latex_utils.py
+++ b/backend/api/latex_utils.py
@@ -30,7 +30,6 @@
"large": ("1.2pt", "1.2pt"),
}
-
FONT_SIZE_PATTERN = re.compile(r"^(\d+(?:\.\d+)?)pt$")
SPACING_PATTERN = re.compile(r"^(\d+(?:\.\d+)?)pt$")
BODY_FONT_COMMAND_PATTERN = re.compile(
@@ -47,7 +46,7 @@
LEGACY_ANSWER_LABEL_PATTERN = re.compile(r"\\textbf\{Answer:\}\s*")
APP_LAYOUT_COMMENT_LINE_PATTERN = re.compile(r"(?m)^% @cheatsheet-layout .*\n?")
APP_LAYOUT_COMMENT_BLOCK_PATTERN = re.compile(
- r"(?m)(?:^% @cheatsheet-layout .*\n){4}^%\n?"
+ r"(?m)(?:^% @cheatsheet-layout .*\n)+^%\n?"
)
@@ -130,31 +129,42 @@ def append_text_heading(lines, text):
lines.append(r"\noindent " + text + r"\par")
-def build_layout_comment_block(columns=4, font_size="9pt", margins="0.15in", spacing="small"):
+def build_layout_comment_block(columns=4, font_size="9pt", margins="0.15in", spacing="small", orientation="portrait"):
return [
f"% @cheatsheet-layout columns: {columns} | change layout options up top to update columns",
f"% @cheatsheet-layout font_size: {font_size} | change layout options up top to update text size",
f"% @cheatsheet-layout spacing: {spacing} | change layout options up top to update spacing",
f"% @cheatsheet-layout margins: {margins} | change layout options up top to update margins",
+ f"% @cheatsheet-layout orientation: {orientation} | change layout options up top to update orientation",
"%",
]
-def build_dynamic_header(columns=4, font_size="9pt", margins="0.15in", spacing="small"):
+def build_dynamic_header(columns=4, font_size="9pt", margins="0.15in", spacing="small", orientation="portrait"):
"""
Build a dynamic LaTeX header based on user-selected options.
"""
size_command = get_body_font_command(font_size)
spacing_values = get_spacing_values(spacing, font_size)
doc_class, doc_class_size = get_document_class(font_size)
+
+ # 1. Force the PDF driver to rotate by passing landscape and letterpaper to the document class
+ doc_options = f"{doc_class_size},fleqn,letterpaper"
+ if orientation == "landscape":
+ doc_options += ",landscape"
+
+ # 2. Also pass them to the geometry package
+ geometry_options = f"letterpaper,margin={margins}"
+ if orientation == "landscape":
+ geometry_options += ",landscape"
header_lines = [
- f"\\documentclass[{doc_class_size},fleqn]{{{doc_class}}}",
- f"\\usepackage[margin={margins}]{{geometry}}",
+ f"\\documentclass[{doc_options}]{{{doc_class}}}",
+ f"\\usepackage[{geometry_options}]{{geometry}}",
"\\usepackage{amsmath, amssymb}",
"\\usepackage{enumitem}",
"\\usepackage{multicol}",
- "\\usepackage{adjustbox}", # For auto-scaling equations to fit column width
+ "\\usepackage{adjustbox}",
"",
"\\setlength{\\mathindent}{0pt}",
"\\setlist[itemize]{noitemsep, topsep=0pt, leftmargin=*}",
@@ -188,12 +198,12 @@ def build_dynamic_footer(columns=2):
return "\n".join(footer_lines)
-def normalize_latex_layout(content, columns=4, font_size="9pt", margins="0.15in", spacing="small"):
+def normalize_latex_layout(content, columns=4, font_size="9pt", margins="0.15in", spacing="small", orientation="portrait"):
"""Rebuild document wrappers so current layout controls apply to existing LaTeX content."""
if not content:
return content
- header = build_dynamic_header(columns, font_size, margins, spacing)
+ header = build_dynamic_header(columns, font_size, margins, spacing, orientation)
footer = build_dynamic_footer(columns)
if r"\begin{document}" not in content or r"\end{document}" not in content:
@@ -219,18 +229,18 @@ def normalize_latex_layout(content, columns=4, font_size="9pt", margins="0.15in"
body = re.sub(r"(?m)^\\vspace\{[^}]+\}\s*$", rf"\\vspace{{{formula_gap}}}", body)
body = body.strip("\n")
- layout_comment_block = "\n".join(build_layout_comment_block(columns, font_size, margins, spacing))
+ layout_comment_block = "\n".join(build_layout_comment_block(columns, font_size, margins, spacing, orientation))
body = layout_comment_block + ("\n" + body if body else "")
return header + body + ("\n" if body else "") + footer
-def build_latex_for_formulas(selected_formulas, columns=4, font_size="9pt", margins="0.15in", spacing="small"):
+def build_latex_for_formulas(selected_formulas, columns=4, font_size="9pt", margins="0.15in", spacing="small", orientation="portrait"):
"""
Given a list of selected formulas (each with class_name, category, name, latex),
build a complete LaTeX document.
"""
- header = build_dynamic_header(columns, font_size, margins, spacing)
+ header = build_dynamic_header(columns, font_size, margins, spacing, orientation)
footer = build_dynamic_footer(columns)
formula_gap = get_spacing_values(spacing, font_size)["formula_gap"]
@@ -238,7 +248,7 @@ def build_latex_for_formulas(selected_formulas, columns=4, font_size="9pt", marg
return header + footer
body_lines = []
- body_lines.extend(build_layout_comment_block(columns, font_size, margins, spacing))
+ body_lines.extend(build_layout_comment_block(columns, font_size, margins, spacing, orientation))
current_class = None
current_category = None
in_flushleft = False
@@ -334,4 +344,4 @@ def compile_latex_to_pdf(content):
# Read and return the PDF bytes before the temporary directory is removed
with open(pdf_file_path, "rb") as pdf_file:
- return pdf_file.read()
+ return pdf_file.read()
\ No newline at end of file
diff --git a/backend/api/migrations/0008_cheatsheet_orientation.py b/backend/api/migrations/0008_cheatsheet_orientation.py
new file mode 100644
index 0000000..0f392d9
--- /dev/null
+++ b/backend/api/migrations/0008_cheatsheet_orientation.py
@@ -0,0 +1,18 @@
+# Generated by Django 6.0.5 on 2026-05-06 02:01
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+ dependencies = [
+ ('api', '0007_cheatsheet_content_source'),
+ ]
+
+ operations = [
+ migrations.AddField(
+ model_name='cheatsheet',
+ name='orientation',
+ field=models.CharField(default='portrait', max_length=20),
+ ),
+ ]
diff --git a/backend/api/models.py b/backend/api/models.py
index a16dea9..19ef163 100644
--- a/backend/api/models.py
+++ b/backend/api/models.py
@@ -39,6 +39,7 @@ class CheatSheet(models.Model):
margins = models.CharField(max_length=20, default="0.15in")
font_size = models.CharField(max_length=10, default="9pt")
spacing = models.CharField(max_length=10, default="small")
+ orientation = models.CharField(max_length=20, default="portrait")
# Stores selected formulas with user-defined order: [{"class": "...", "category": "...", "name": "..."}]
selected_formulas = models.JSONField(default=list, blank=True)
created_at = models.DateTimeField(auto_now_add=True)
@@ -100,12 +101,21 @@ def build_full_latex(self):
# Build document header
document_class, document_class_size = get_document_class(self.font_size)
spacing_values = get_spacing_values(self.spacing, self.font_size)
+
+ doc_options = f"{document_class_size},fleqn,letterpaper"
+ if self.orientation == "landscape":
+ doc_options += ",landscape"
+
+ geometry_options = f"letterpaper,margin={self.margins}"
+ if self.orientation == "landscape":
+ geometry_options += ",landscape"
+
header = [
- f"\\documentclass[{document_class_size}]{{{document_class}}}",
+ f"\\documentclass[{doc_options}]{{{document_class}}}",
"\\usepackage[utf8]{inputenc}",
"\\usepackage{amsmath, amssymb}",
"\\usepackage{adjustbox}",
- f"\\usepackage[a4paper, margin={self.margins}]{{geometry}}",
+ f"\\usepackage[{geometry_options}]{{geometry}}",
f"\\setlength{{\\baselineskip}}{{{spacing_values['baseline_skip']}}}",
f"\\setlength{{\\parskip}}{{{spacing_values['paragraph_skip']}}}",
]
diff --git a/backend/api/serializers.py b/backend/api/serializers.py
index edd0acd..663440a 100644
--- a/backend/api/serializers.py
+++ b/backend/api/serializers.py
@@ -83,6 +83,7 @@ class Meta:
"columns",
"font_size",
"spacing",
+ "orientation",
"selected_formulas",
"problems",
"full_latex",
diff --git a/backend/api/tests.py b/backend/api/tests.py
index 0599af9..a5f2532 100644
--- a/backend/api/tests.py
+++ b/backend/api/tests.py
@@ -91,6 +91,7 @@ def test_build_full_latex_wraps_content(self):
columns=1,
font_size="10pt",
user=self.user,
+ orientation="portrait",
)
full = sheet.build_full_latex()
assert "\\begin{document}" in full
@@ -192,7 +193,7 @@ def test_build_full_latex_8pt_uses_extarticle(self):
full = sheet.build_full_latex()
- assert "\\documentclass[8pt]{extarticle}" in full
+ assert "\\documentclass[8pt,fleqn,letterpaper]{extarticle}" in full
def test_build_full_latex_custom_font_size_uses_supported_wrapper(self):
sheet = CheatSheet.objects.create(
@@ -204,7 +205,7 @@ def test_build_full_latex_custom_font_size_uses_supported_wrapper(self):
full = sheet.build_full_latex()
- assert "\\documentclass[10pt]{article}" in full
+ assert "\\documentclass[10pt,fleqn,letterpaper]{article}" in full
assert "\\fontsize{10.5pt}{11.3pt}\\selectfont" in full
def test_build_full_latex_includes_saved_spacing(self):
@@ -237,9 +238,9 @@ def test_normalize_latex_layout_rewraps_existing_document_with_current_settings(
"\\end{document}"
)
- normalized = normalize_latex_layout(raw, columns=4, font_size="8pt", margins="0.5in", spacing="tiny")
+ normalized = normalize_latex_layout(raw, columns=4, font_size="8pt", margins="0.5in", spacing="tiny", orientation="portrait")
- assert "\\documentclass[8pt,fleqn]{extarticle}" in normalized
+ assert "\\documentclass[8pt,fleqn,letterpaper]{extarticle}" in normalized
assert "margin=0.5in" in normalized
assert "\\begin{multicols}{4}" in normalized
assert "\\begin{multicols}{2}" not in normalized
@@ -383,12 +384,18 @@ def test_build_dynamic_header_keeps_headers_close_to_body_size(self):
def test_build_dynamic_header_accepts_custom_font_and_spacing(self):
header = build_dynamic_header(columns=5, font_size="10.5pt", margins="0.25in", spacing="0.6pt")
- assert "\\documentclass[10pt,fleqn]{article}" in header
+ assert "\\documentclass[10pt,fleqn,letterpaper]{article}" in header
assert "\\fontsize{10.5pt}{11.3pt}\\selectfont" in header
assert "\\setlength{\\baselineskip}{11.1pt}" in header
assert "\\setlength{\\parskip}{0.6pt}" in header
assert "\\begin{multicols}{5}" in header
+ def test_build_dynamic_header_landscape_includes_landscape_options(self):
+ header = build_dynamic_header(columns=4, font_size="9pt", margins="0.15in", spacing="small", orientation="landscape")
+ assert "landscape" in header
+ assert "\\documentclass[9pt,fleqn,letterpaper,landscape]{extarticle}" in header
+ assert "letterpaper,margin=0.15in,landscape" in header
+
def test_build_latex_for_formulas_includes_editable_layout_comments(self):
tex = build_latex_for_formulas(
[{"class_name": "ALGEBRA I", "category": "Linear Equations", "name": "Slope Formula", "latex": "m=\\frac{y_2-y_1}{x_2-x_1}"}],
@@ -402,6 +409,7 @@ def test_build_latex_for_formulas_includes_editable_layout_comments(self):
assert "% @cheatsheet-layout font_size: 10.5pt | change layout options up top to update text size" in tex
assert "% @cheatsheet-layout spacing: 0.6pt | change layout options up top to update spacing" in tex
assert "% @cheatsheet-layout margins: 0.5in | change layout options up top to update margins" in tex
+ assert "% @cheatsheet-layout orientation: portrait | change layout options up top to update orientation" in tex
# ── API Tests ────────────────────────────────────────────────────────
@@ -1246,7 +1254,7 @@ def test_generate_sheet_8pt_uses_extarticle(self, auth_client):
)
assert resp.status_code == 200
tex = resp.json()["tex_code"]
- assert "\\documentclass[8pt,fleqn]{extarticle}" in tex
+ assert "\\documentclass[8pt,fleqn,letterpaper]{extarticle}" in tex
assert "\\documentclass[8pt,fleqn]{article}" not in tex
def test_generate_sheet_9pt_uses_extarticle(self, auth_client):
@@ -1261,7 +1269,7 @@ def test_generate_sheet_9pt_uses_extarticle(self, auth_client):
)
assert resp.status_code == 200
tex = resp.json()["tex_code"]
- assert "\\documentclass[9pt,fleqn]{extarticle}" in tex
+ assert "\\documentclass[9pt,fleqn,letterpaper]{extarticle}" in tex
assert "\\documentclass[9pt,fleqn]{article}" not in tex
def test_generate_sheet_10pt_uses_article(self, auth_client):
@@ -1276,7 +1284,7 @@ def test_generate_sheet_10pt_uses_article(self, auth_client):
)
assert resp.status_code == 200
tex = resp.json()["tex_code"]
- assert "\\documentclass[10pt,fleqn]{article}" in tex
+ assert "\\documentclass[10pt,fleqn,letterpaper]{article}" in tex
assert "extarticle" not in tex
def test_generate_sheet_latex_injection_blocked(self, auth_client):
@@ -1375,6 +1383,7 @@ def test_compile_normalize_only_refreshes_layout_comments_from_request_values(se
"font_size": "8pt",
"spacing": "tiny",
"margins": "0.25in",
+ "orientation": "portrait",
},
format="json",
)
@@ -1387,6 +1396,7 @@ def test_compile_normalize_only_refreshes_layout_comments_from_request_values(se
"font_size": "8pt",
"spacing": "tiny",
"margins": "0.25in",
+ "orientation": "portrait",
}
assert "\\begin{multicols}{2}" in tex
assert "\\fontsize{8pt}{8.8pt}\\selectfont" in tex
@@ -1395,6 +1405,7 @@ def test_compile_normalize_only_refreshes_layout_comments_from_request_values(se
assert "% @cheatsheet-layout font_size: 8pt | change layout options up top to update text size" in tex
assert "% @cheatsheet-layout spacing: tiny | change layout options up top to update spacing" in tex
assert "% @cheatsheet-layout margins: 0.25in | change layout options up top to update margins" in tex
+ assert "orientation: portrait" in tex
# ── Auth Endpoint Tests ──────────────────────────────────────────────
diff --git a/backend/api/views.py b/backend/api/views.py
index 3f9b657..4be731a 100644
--- a/backend/api/views.py
+++ b/backend/api/views.py
@@ -37,12 +37,12 @@
VALID_FONT_SIZES = {"8pt", "9pt", "10pt", "11pt", "12pt"}
VALID_SPACING = {"tiny", "small", "medium", "large"}
VALID_MARGINS = {"0.15in", "0.25in", "0.5in", "0.75in", "1in", "1.5in", "2in"}
+VALID_ORIENTATION = {"portrait", "landscape"}
DEFAULT_COLUMNS = 4
DEFAULT_FONT_SIZE = "9pt"
DEFAULT_SPACING = "small"
DEFAULT_MARGINS = "0.15in"
-
def is_valid_custom_pt(value, min_value, max_value):
normalized = str(value or "").strip()
if not normalized.endswith("pt"):
@@ -61,7 +61,7 @@ def is_truthy(value):
return value.strip().lower() in {"1", "true", "yes", "on"}
return bool(value)
-def validate_layout_params(columns, font_size, margins, spacing):
+def validate_layout_params(columns, font_size, margins, spacing, orientation="portrait"):
try:
columns = max(1, min(5, int(columns)))
except (TypeError, ValueError):
@@ -75,8 +75,11 @@ def validate_layout_params(columns, font_size, margins, spacing):
if spacing not in VALID_SPACING and not is_valid_custom_pt(spacing, 0, 6):
spacing = DEFAULT_SPACING
+
+ if orientation not in VALID_ORIENTATION:
+ orientation = "portrait"
- return columns, font_size, margins, spacing
+ return columns, font_size, margins, spacing, orientation
def build_youtube_search_query(class_name, category_name):
@@ -280,8 +283,7 @@ def get_classes(request):
@api_view(["POST"])
def generate_sheet(request):
"""
- POST /api/generate-sheet/
- Accepts { "formulas": [...], "columns": 4, "font_size": "9pt", "margins": "0.15in", "spacing": "small" }
+ Accepts { "formulas": [...], "columns": 4, "font_size": "9pt", "margins": "0.15in", "spacing": "small", "orientation": "portrait" }
Each formula: { "class": "ALGEBRA I", "category": "Linear Equations", "name": "Slope Formula" }
Or for special classes (like UNIT CIRCLE): { "class": "UNIT CIRCLE", "name": "Unit Circle (Key Angles)" }
Returns { "tex_code": "..." }
@@ -291,11 +293,12 @@ def generate_sheet(request):
font_size = request.data.get("font_size", DEFAULT_FONT_SIZE)
margins = request.data.get("margins", DEFAULT_MARGINS)
spacing = request.data.get("spacing", DEFAULT_SPACING)
+ orientation = request.data.get("orientation", "portrait")
- columns, font_size, margins, spacing = validate_layout_params(columns, font_size, margins, spacing)
+ columns, font_size, margins, spacing, orientation = validate_layout_params(columns, font_size, margins, spacing, orientation)
if not selected:
- tex_code = build_latex_for_formulas([], columns, font_size, margins, spacing)
+ tex_code = build_latex_for_formulas([], columns, font_size, margins, spacing, orientation)
return Response({"tex_code": tex_code})
formula_data = get_formula_data()
@@ -342,7 +345,7 @@ def generate_sheet(request):
if not selected_formulas:
return Response({"error": "No valid formulas found"}, status=400)
- tex_code = build_latex_for_formulas(selected_formulas, columns, font_size, margins, spacing)
+ tex_code = build_latex_for_formulas(selected_formulas, columns, font_size, margins, spacing, orientation)
return Response({"tex_code": tex_code})
@@ -351,10 +354,6 @@ def generate_sheet(request):
def compile_latex(request):
"""
POST /api/compile/
- Accepts either:
- - { "content": "...full LaTeX code..." }
- - { "cheat_sheet_id": 123 }
- Compiles with Tectonic on the backend and returns the PDF.
"""
content = request.data.get("content", "")
cheat_sheet_id = request.data.get("cheat_sheet_id")
@@ -363,9 +362,10 @@ def compile_latex(request):
font_size = request.data.get("font_size", DEFAULT_FONT_SIZE)
margins = request.data.get("margins", DEFAULT_MARGINS)
spacing = request.data.get("spacing", DEFAULT_SPACING)
- columns, font_size, margins, spacing = validate_layout_params(columns, font_size, margins, spacing)
+ orientation = request.data.get("orientation", "portrait")
+
+ columns, font_size, margins, spacing, orientation = validate_layout_params(columns, font_size, margins, spacing, orientation)
- # If cheat_sheet_id is provided, get content from the cheat sheet
if cheat_sheet_id:
cheatsheet = get_object_or_404(CheatSheet, pk=cheat_sheet_id, user=request.user)
columns = cheatsheet.columns
@@ -377,7 +377,7 @@ def compile_latex(request):
if not content:
return Response({"error": "No LaTeX content provided"}, status=400)
- content = normalize_latex_layout(content, columns, font_size, margins, spacing)
+ content = normalize_latex_layout(content, columns, font_size, margins, spacing, orientation)
if normalize_only:
return Response({
@@ -387,6 +387,7 @@ def compile_latex(request):
"font_size": font_size,
"margins": margins,
"spacing": spacing,
+ "orientation": orientation,
},
})
@@ -501,10 +502,6 @@ def youtube_resources(request):
# ------------------------------------------------------------------
class TemplateViewSet(viewsets.ModelViewSet):
- """
- CRUD API for Templates
- Get/Post/Put/Delete /api/templates/
- """
queryset = Template.objects.all()
serializer_class = TemplateSerializer
@@ -517,10 +514,6 @@ def get_queryset(self):
class CheatSheetViewSet(viewsets.ModelViewSet):
- """
- CRUD API for CheatSheets
- Get/Post/Put/Delete /api/cheatsheets/
- """
queryset = CheatSheet.objects.all()
serializer_class = CheatSheetSerializer
permission_classes = [IsAuthenticated]
@@ -533,10 +526,6 @@ def perform_create(self, serializer):
@action(detail=False, methods=['post'], url_path='from-template')
def from_template(self, request):
- """
- POST /api/cheatsheets/from-template/
- Create cheat sheet from template
- """
template_id = request.data.get("template_id")
title = request.data.get("title", "Untitled")
@@ -559,10 +548,6 @@ def from_template(self, request):
class PracticeProblemViewSet(viewsets.ModelViewSet):
- """
- CRUD API for Practice Problems
- Get/Post/Put/Delete /api/problems/
- """
queryset = PracticeProblem.objects.all()
serializer_class = PracticeProblemSerializer
@@ -571,4 +556,4 @@ def get_queryset(self):
cheat_sheet_id = self.request.query_params.get('cheat_sheet')
if cheat_sheet_id:
queryset = queryset.filter(cheat_sheet=cheat_sheet_id)
- return queryset
+ return queryset
\ No newline at end of file
diff --git a/frontend/src/components/CreateCheatSheet.jsx b/frontend/src/components/CreateCheatSheet.jsx
index 1d51c53..7d8ea4e 100644
--- a/frontend/src/components/CreateCheatSheet.jsx
+++ b/frontend/src/components/CreateCheatSheet.jsx
@@ -885,7 +885,7 @@ const SnapshotTray = ({ snapshots, onRestore }) => {
const FONT_SIZE_PRESETS = ['8pt', '9pt', '10pt', '11pt', '12pt'];
const SPACING_PRESETS = ['tiny', 'small', 'medium', 'large'];
-const LayoutOptions = ({ columns, setColumns, fontSize, setFontSize, spacing, setSpacing, margins, setMargins }) => {
+const LayoutOptions = ({ columns, setColumns, fontSize, setFontSize, spacing, setSpacing, margins, setMargins, orientation, setOrientation }) => {
const fontSizeMode = FONT_SIZE_PRESETS.includes(fontSize) ? fontSize : 'custom';
const spacingMode = SPACING_PRESETS.includes(spacing) ? spacing : 'custom';
@@ -973,6 +973,20 @@ const LayoutOptions = ({ columns, setColumns, fontSize, setFontSize, spacing, se
+ {/* NEW ORIENTATION CONTROL */}
+
+
+
+
+ {/* END NEW CONTROL */}
);
@@ -1013,6 +1027,8 @@ const CreateCheatSheet = ({ onSave, onReset, onRestoreSnapshot, initialData, isS
setSpacing,
margins,
setMargins,
+ orientation,
+ setOrientation,
pdfBlob,
isCompiling,
compileError,
@@ -1203,6 +1219,7 @@ const CreateCheatSheet = ({ onSave, onReset, onRestoreSnapshot, initialData, isS
fontSize,
spacing,
margins,
+ orientation,
selectedFormulas: getSelectedFormulasList(),
compileSnapshot: {
title,
@@ -1212,13 +1229,14 @@ const CreateCheatSheet = ({ onSave, onReset, onRestoreSnapshot, initialData, isS
fontSize,
spacing,
margins,
+ orientation,
selectedFormulas: getSelectedFormulasList(),
compiledAt: new Date().toISOString(),
},
}, false).catch((error) => {
console.error('Failed to autosave compiled sheet', error);
});
- }, [columns, compileError, content, contentSource, fontSize, getSelectedFormulasList, margins, onSave, pdfBlob, spacing, title]);
+ }, [columns, compileError, content, contentSource, fontSize, getSelectedFormulasList, margins, onSave, orientation, pdfBlob, spacing, title]);
const startResize = useCallback((panel) => (event) => {
event.preventDefault();
@@ -1337,6 +1355,7 @@ const CreateCheatSheet = ({ onSave, onReset, onRestoreSnapshot, initialData, isS
fontSize,
spacing,
margins,
+ orientation,
selectedFormulas: getSelectedFormulasList(),
});
};
@@ -1398,6 +1417,8 @@ const CreateCheatSheet = ({ onSave, onReset, onRestoreSnapshot, initialData, isS
setSpacing={setSpacing}
margins={margins}
setMargins={setMargins}
+ orientation={orientation}
+ setOrientation={setOrientation}
/>
diff --git a/frontend/src/hooks/latex.js b/frontend/src/hooks/latex.js
index f5df0ea..9b1f13e 100644
--- a/frontend/src/hooks/latex.js
+++ b/frontend/src/hooks/latex.js
@@ -10,6 +10,7 @@ const DEFAULT_LAYOUT = {
fontSize: '9pt',
spacing: 'small',
margins: '0.15in',
+ orientation: 'portrait',
};
function getInitialContentSource(data) {
@@ -84,6 +85,7 @@ export function useLatex(initialData) {
const [fontSize, setFontSize] = useState(initialData?.fontSize ?? DEFAULT_LAYOUT.fontSize);
const [spacing, setSpacing] = useState(initialData?.spacing ?? DEFAULT_LAYOUT.spacing);
const [margins, setMargins] = useState(initialData?.margins ?? DEFAULT_LAYOUT.margins);
+ const [orientation, setOrientation] = useState(initialData?.orientation ?? DEFAULT_LAYOUT.orientation);
const [pdfBlob, setPdfBlob] = useState(null);
const [isLoading, setIsLoading] = useState(false);
const [isCompiling, setIsCompiling] = useState(false);
@@ -103,6 +105,7 @@ export function useLatex(initialData) {
fontSize: initialData?.fontSize ?? DEFAULT_LAYOUT.fontSize,
spacing: initialData?.spacing ?? DEFAULT_LAYOUT.spacing,
margins: initialData?.margins ?? DEFAULT_LAYOUT.margins,
+ orientation: initialData?.orientation ?? DEFAULT_LAYOUT.orientation,
});
// Revoke the object URL when the component unmounts to prevent memory leaks
@@ -172,11 +175,13 @@ export function useLatex(initialData) {
setFontSize(saved.fontSize ?? DEFAULT_LAYOUT.fontSize);
setSpacing(saved.spacing ?? DEFAULT_LAYOUT.spacing);
setMargins(saved.margins ?? DEFAULT_LAYOUT.margins);
+ setOrientation(saved.orientation ?? DEFAULT_LAYOUT.orientation);
lastCompiledLayoutRef.current = {
columns: saved.columns ?? DEFAULT_LAYOUT.columns,
fontSize: saved.fontSize ?? DEFAULT_LAYOUT.fontSize,
spacing: saved.spacing ?? DEFAULT_LAYOUT.spacing,
margins: saved.margins ?? DEFAULT_LAYOUT.margins,
+ orientation: saved.orientation ?? DEFAULT_LAYOUT.orientation,
};
} else if (initialData) {
initialLoaded.current = true;
@@ -187,11 +192,13 @@ export function useLatex(initialData) {
setFontSize(initialData.fontSize ?? DEFAULT_LAYOUT.fontSize);
setSpacing(initialData.spacing ?? DEFAULT_LAYOUT.spacing);
setMargins(initialData.margins ?? DEFAULT_LAYOUT.margins);
+ setOrientation(initialData.orientation ?? DEFAULT_LAYOUT.orientation);
lastCompiledLayoutRef.current = {
columns: initialData.columns ?? DEFAULT_LAYOUT.columns,
fontSize: initialData.fontSize ?? DEFAULT_LAYOUT.fontSize,
spacing: initialData.spacing ?? DEFAULT_LAYOUT.spacing,
margins: initialData.margins ?? DEFAULT_LAYOUT.margins,
+ orientation: initialData.orientation ?? DEFAULT_LAYOUT.orientation,
};
}
}, [initialData]);
@@ -208,12 +215,12 @@ export function useLatex(initialData) {
useEffect(() => {
if (saveTimerRef.current) clearTimeout(saveTimerRef.current);
saveTimerRef.current = setTimeout(() => {
- saveLatexStorage({ title, content, contentSource, columns, fontSize, spacing, margins });
+ saveLatexStorage({ title, content, contentSource, columns, fontSize, spacing, margins, orientation });
}, SAVE_DEBOUNCE_MS);
return () => {
if (saveTimerRef.current) clearTimeout(saveTimerRef.current);
};
- }, [title, content, contentSource, columns, fontSize, spacing, margins]);
+ }, [title, content, contentSource, columns, fontSize, spacing, margins, orientation]);
const compileLatexContent = useCallback(async (latexContent, layoutOptions = {}) => {
const response = await fetch('/api/compile/', {
@@ -248,6 +255,7 @@ export function useLatex(initialData) {
font_size: fontSize,
spacing,
margins,
+ orientation,
}),
});
@@ -258,7 +266,7 @@ export function useLatex(initialData) {
const data = await response.json();
return data.tex_code;
- }, [columns, fontSize, spacing, margins]);
+ }, [columns, fontSize, spacing, margins, orientation]);
const normalizeLatexContent = useCallback(async (latexContent) => {
const response = await fetch('/api/compile/', {
@@ -273,6 +281,7 @@ export function useLatex(initialData) {
font_size: fontSize,
spacing,
margins,
+ orientation,
normalize_only: true,
}),
});
@@ -284,13 +293,15 @@ export function useLatex(initialData) {
const data = await response.json();
return data.tex_code || latexContent;
- }, [authTokens, columns, fontSize, margins, spacing]);
+ }, [authTokens, columns, fontSize, margins, spacing, orientation]);
const hasLayoutChanges =
lastCompiledLayoutRef.current.columns !== columns ||
lastCompiledLayoutRef.current.fontSize !== fontSize ||
lastCompiledLayoutRef.current.spacing !== spacing ||
- lastCompiledLayoutRef.current.margins !== margins;
+ lastCompiledLayoutRef.current.margins !== margins ||
+ lastCompiledLayoutRef.current.orientation !== orientation;
+
const canRegenerateFromSelections = !content.trim() || contentSource === 'generated';
const handleCompileOnly = useCallback(async (selectedList = []) => {
@@ -328,8 +339,9 @@ export function useLatex(initialData) {
font_size: fontSize,
spacing,
margins,
+ orientation,
});
- lastCompiledLayoutRef.current = { columns, fontSize, spacing, margins };
+ lastCompiledLayoutRef.current = { columns, fontSize, spacing, margins, orientation };
setContentModified(false);
} catch (error) {
setCompileError(error.message);
@@ -337,7 +349,7 @@ export function useLatex(initialData) {
setIsCompiling(false);
isCompilingRef.current = false;
}
- }, [clearAutoCompileTimer, columns, compileLatexContent, content, fontSize, generateLatexContent, hasLayoutChanges, margins, normalizeLatexContent, saveToHistory, spacing]);
+ }, [clearAutoCompileTimer, columns, compileLatexContent, content, fontSize, generateLatexContent, hasLayoutChanges, margins, normalizeLatexContent, saveToHistory, spacing, orientation]);
useEffect(() => {
if (!initialLoaded.current) return;
@@ -372,7 +384,8 @@ export function useLatex(initialData) {
columns: regenerateOptions.columns,
font_size: regenerateOptions.fontSize,
spacing: regenerateOptions.spacing,
- margins: margins
+ margins: margins,
+ orientation: orientation
}),
});
if (response.ok) {
@@ -401,8 +414,9 @@ export function useLatex(initialData) {
font_size: fontSize,
spacing,
margins,
+ orientation,
});
- lastCompiledLayoutRef.current = { columns, fontSize, spacing, margins };
+ lastCompiledLayoutRef.current = { columns, fontSize, spacing, margins, orientation };
setContentModified(false);
} catch (error) {
setCompileError(error.message);
@@ -410,7 +424,7 @@ export function useLatex(initialData) {
setIsCompiling(false);
isCompilingRef.current = false;
}
- }, [clearAutoCompileTimer, columns, compileLatexContent, content, fontSize, hasLayoutChanges, margins, normalizeLatexContent, saveToHistory, spacing]);
+ }, [clearAutoCompileTimer, columns, compileLatexContent, content, fontSize, hasLayoutChanges, margins, normalizeLatexContent, saveToHistory, spacing, orientation]);
useEffect(() => {
if (!initialLoaded.current || hasRestoredPreviewRef.current) return;
@@ -472,6 +486,7 @@ export function useLatex(initialData) {
font_size: fontSize,
spacing,
margins,
+ orientation,
}),
});
if (!response.ok) {
@@ -560,6 +575,7 @@ export function useLatex(initialData) {
setFontSize(initialData?.fontSize ?? DEFAULT_LAYOUT.fontSize);
setSpacing(initialData?.spacing ?? DEFAULT_LAYOUT.spacing);
setMargins(initialData?.margins ?? DEFAULT_LAYOUT.margins);
+ setOrientation(initialData?.orientation ?? DEFAULT_LAYOUT.orientation);
setHistory([]);
setHistoryIndex(-1);
lastCompiledLayoutRef.current = {
@@ -567,6 +583,7 @@ export function useLatex(initialData) {
fontSize: initialData?.fontSize ?? DEFAULT_LAYOUT.fontSize,
spacing: initialData?.spacing ?? DEFAULT_LAYOUT.spacing,
margins: initialData?.margins ?? DEFAULT_LAYOUT.margins,
+ orientation: initialData?.orientation ?? DEFAULT_LAYOUT.orientation,
};
if (pdfBlobUrlRef.current) {
URL.revokeObjectURL(pdfBlobUrlRef.current);
@@ -595,6 +612,8 @@ export function useLatex(initialData) {
setSpacing,
margins,
setMargins,
+ orientation,
+ setOrientation,
pdfBlob,
isGenerating,
isCompiling,
@@ -612,4 +631,4 @@ export function useLatex(initialData) {
handlePrintPDF,
clearLatex
};
-}
+}
\ No newline at end of file
diff --git a/frontend/src/hooks/latex.test.jsx b/frontend/src/hooks/latex.test.jsx
index bc850fd..522884a 100644
--- a/frontend/src/hooks/latex.test.jsx
+++ b/frontend/src/hooks/latex.test.jsx
@@ -45,6 +45,7 @@ describe('useLatex hook', () => {
expect(result.current.fontSize).toBe('9pt');
expect(result.current.spacing).toBe('small');
expect(result.current.margins).toBe('0.15in');
+ expect(result.current.orientation).toBe('portrait'); // <-- Added orientation default
expect(result.current.pdfBlob).toBeNull();
expect(result.current.compileError).toBeNull();
});
@@ -56,7 +57,8 @@ describe('useLatex hook', () => {
columns: 3,
fontSize: '12pt',
spacing: 'medium',
- margins: '0.5in'
+ margins: '0.5in',
+ orientation: 'landscape' // <-- Added orientation custom data
};
const { result } = renderHook(() => useLatex(initialData), { wrapper });
@@ -67,6 +69,7 @@ describe('useLatex hook', () => {
expect(result.current.fontSize).toBe('12pt');
expect(result.current.spacing).toBe('medium');
expect(result.current.margins).toBe('0.5in');
+ expect(result.current.orientation).toBe('landscape'); // <-- Added orientation assertion
});
test('treats persisted generated sheets as safe to regenerate', () => {
@@ -242,4 +245,4 @@ describe('useLatex hook', () => {
expect(mockClick).toHaveBeenCalled();
expect(mockElement.download).toBe('FileTitle.tex');
});
-});
+});
\ No newline at end of file