refactor customer interface to attributes
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@@ -6,14 +6,14 @@ from src.utils import list_to_matrix, secure_fisher_yates_shuffle, matrix_to_lis
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class UserInterface(BaseModel):
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attr_indices: list[int]
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interface: list[int]
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keypad_size: KeypadSize
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@staticmethod
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def new(keypad_size: KeypadSize):
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# Todo: this a hack do a proper random interface
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interface = UserInterface(
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attr_indices=list(range(keypad_size.numb_of_attrs)),
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interface=list(range(keypad_size.numb_of_attrs)),
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keypad_size=keypad_size
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)
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interface.disperse_interface()
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@@ -22,18 +22,22 @@ class UserInterface(BaseModel):
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return interface
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def disperse_interface(self):
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user_interface_matrix = list_to_matrix(self.attr_indices, self.keypad_size.attrs_per_key)
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user_interface_matrix = list_to_matrix(self.interface, self.keypad_size.attrs_per_key)
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shuffled_keys = secure_fisher_yates_shuffle(user_interface_matrix)
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dispersed_interface = self._random_attribute_rotation(shuffled_keys, list(range(self.keypad_size.attrs_per_key)))
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self.attr_indices = matrix_to_list(dispersed_interface)
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attr_rotation = secure_fisher_yates_shuffle(list(range(self.keypad_size.numb_of_keys)))[:self.keypad_size.attrs_per_key]
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dispersed_interface = self.random_attribute_rotation(
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shuffled_keys,
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attr_rotation,
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)
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self.interface = matrix_to_list(dispersed_interface)
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def shuffle_interface(self):
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"""just like dispersion but only half the sets are rotated"""
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numb_of_selected_sets = self.keypad_size.attrs_per_key // 2
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# randomly shuffle half the sets. if attrs_per_key is odd, randomly add one 50% of the time
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numb_of_selected_sets += choice([0, 1]) if (self.keypad_size.attrs_per_key & 1) == 1 else 0
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selected_sets = secure_fisher_yates_shuffle(list(range(self.keypad_size.attrs_per_key)))[:numb_of_selected_sets]
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user_interface_matrix = list_to_matrix(self.attr_indices, self.keypad_size.attrs_per_key)
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user_interface_matrix = list_to_matrix(self.interface, self.keypad_size.attrs_per_key)
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shuffled_keys = secure_fisher_yates_shuffle(user_interface_matrix)
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interface_by_sets = []
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for idx, attrs in enumerate(matrix_transpose(shuffled_keys)):
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@@ -41,21 +45,22 @@ class UserInterface(BaseModel):
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interface_by_sets.append(secure_fisher_yates_shuffle(attrs))
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else:
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interface_by_sets.append(attrs)
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self.attr_indices = matrix_to_list(matrix_transpose(interface_by_sets))
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self.interface = matrix_to_list(matrix_transpose(interface_by_sets))
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def _random_attribute_rotation(self, user_interface: list[list[int]], selected_sets: list[int]) -> list[list[int]]:
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attr_rotation = secure_fisher_yates_shuffle(list(range(self.keypad_size.numb_of_keys)))[:self.keypad_size.attrs_per_key]
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@staticmethod
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def random_attribute_rotation(
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user_interface: list[list[int]],
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attr_rotation: list[int]
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) -> list[list[int]]:
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transposed_user_interface = matrix_transpose(user_interface)
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assert (len(attr_rotation) == len(transposed_user_interface))
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for idx, attr_set in enumerate(transposed_user_interface):
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if idx not in selected_sets:
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continue
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rotation = attr_rotation[idx]
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transposed_user_interface[idx] = attr_set[rotation:] + attr_set[:rotation]
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return matrix_transpose(transposed_user_interface)
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def attribute_adjacency_graph(self) -> dict[int, set[int]]:
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user_interface_keypad = list_to_matrix(self.attr_indices, self.keypad_size.attrs_per_key)
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user_interface_keypad = list_to_matrix(self.interface, self.keypad_size.attrs_per_key)
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graph = {}
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for key in user_interface_keypad:
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for attr in key:
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@@ -66,5 +71,5 @@ class UserInterface(BaseModel):
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def get_key_attr_idxs(self, key_numb: int) -> list[int]:
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assert (0 <= key_numb < self.keypad_size.numb_of_keys)
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keypad_attr_idx = list_to_matrix(self.attr_indices, self.keypad_size.attrs_per_key)
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keypad_attr_idx = list_to_matrix(self.interface, self.keypad_size.attrs_per_key)
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return keypad_attr_idx[key_numb]
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