File size: 8,450 Bytes
cb5b71d
 
 
 
dc92053
cb5b71d
 
 
 
 
 
dc92053
cb5b71d
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
dc92053
cb5b71d
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
0c5b67f
 
cb5b71d
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
import streamlit as st

from components.tree import render_tree
from core.constants import DF_HEIGHT
from core.constants import RESOURCES
from core.files import file_from_form
from core.files import file_from_upload
from core.files import file_from_url
from core.files import FILE_OBJECT
from core.files import FILE_TYPES
from core.files import RESOURCE_TYPES
from core.query_params import set_tab
from core.record_sets import infer_record_sets
from core.state import FileObject
from core.state import FileSet
from core.state import Metadata
from core.state import SelectedResource
from events.resources import handle_resource_change
from events.resources import ResourceEvent
from utils import needed_field

Resource = FileObject | FileSet

_DISTANT_URL_KEY = "import_from_url"
_LOCAL_FILE_KEY = "import_from_local_file"
_MANUAL_RESOURCE_TYPE_KEY = "create_manually_type"
_MANUAL_NAME_KEY = "manual_object_name"
_MANUAL_DESCRIPTION_KEY = "manual_object_description"
_MANUAL_SHA256_KEY = "manual_object_sha256"


def render_files():
    col1, col2, col3 = st.columns([1, 1, 1], gap="small")
    with col1:
        st.subheader("Upload more resources")
        _render_upload_panel()
    with col2:
        st.subheader("Uploaded resources")
        files = st.session_state[Metadata].distribution
        resource = _render_resources_panel(files)
        st.session_state[SelectedResource] = resource
    with col3:
        _render_right_panel()


def _render_resources_panel(files: list[Resource]) -> Resource | None:
    """Renders the left panel: the list of all resources."""
    filename_to_file: dict[str, list[Resource]] = {}
    nodes = []
    for file in files:
        name = file.name
        filename_to_file[name] = file
        type = "FileObject" if isinstance(file, FileObject) else "FileSet"
        if file.contained_in:
            if isinstance(file.contained_in, list):
                parents = file.contained_in
            else:
                parents = [file.contained_in]
        else:
            parents = []
        nodes.append({"name": name, "type": type, "parents": parents})

    name = None
    if nodes:
        name = render_tree(nodes, key="-".join([node["name"] for node in nodes]))
    else:
        st.write("No resource yet.")

    if not name:
        return None
    file = filename_to_file[name]
    # set_tab(RESOURCES)
    return file


def _render_upload_panel():
    """Renders the form to upload from local or upload from URL."""
    with st.form(key="upload_form", clear_on_submit=True):
        file_type_name = st.selectbox("Encoding format", options=FILE_TYPES.keys())
        tab1, tab2, tab3 = st.tabs([
            "Import from a local file", "Import from a URL", "Add manually"
        ])

        with tab1:
            st.file_uploader("Select a file", key=_LOCAL_FILE_KEY)

        with tab2:
            st.text_input("URL:", key=_DISTANT_URL_KEY)

        with tab3:
            resource_type = st.selectbox(
                "Type", options=RESOURCE_TYPES, key=_MANUAL_RESOURCE_TYPE_KEY
            )
            st.text_input(
                needed_field("File name"),
                key=_MANUAL_NAME_KEY,
            )
            st.text_area(
                "File description",
                placeholder="Provide a clear description of the file.",
                key=_MANUAL_DESCRIPTION_KEY,
            )
            st.text_input(
                "SHA256",
                key=_MANUAL_SHA256_KEY,
            )
            st.text_input(
                "Parent",
                key="manual_parent",
            )

        def handle_on_click():
            url = st.session_state[_DISTANT_URL_KEY]
            uploaded_file = st.session_state[_LOCAL_FILE_KEY]
            file_type = FILE_TYPES[file_type_name]
            metadata: Metadata = st.session_state[Metadata]
            names = metadata.names()
            if url:
                file = file_from_url(file_type, url, names)
            elif uploaded_file:
                file = file_from_upload(file_type, uploaded_file, names)
            else:
                resource_type = st.session_state[_MANUAL_RESOURCE_TYPE_KEY]
                needs_sha256 = resource_type == FILE_OBJECT

                name = st.session_state[_MANUAL_NAME_KEY]
                description = st.session_state[_MANUAL_DESCRIPTION_KEY]
                sha256 = st.session_state[_MANUAL_SHA256_KEY] if needs_sha256 else None
                errorMessage = (
                    "Please import either a local file, provide a download URL or fill"
                    " in all required fields: name"
                )
                if needs_sha256:
                    errorMessage += " and SHA256"

                if not name or (needs_sha256 and not sha256):
                    # Some required fields are empty.
                    st.toast(
                        errorMessage,
                        icon="❌",
                    )
                    return
                file = file_from_form(
                    file_type, resource_type, name, description, sha256, names
                )

            st.session_state[Metadata].add_distribution(file)
            record_sets = infer_record_sets(file, names)
            for record_set in record_sets:
                st.session_state[Metadata].add_record_set(record_set)
            st.session_state[SelectedResource] = file.name

        st.form_submit_button("Upload", on_click=handle_on_click)


def _render_right_panel():
    """Renders the right panel: either a form to create a resource or details
    of the selected resource."""
    if st.session_state.get(SelectedResource):
        _render_resource_details(st.session_state[SelectedResource])


def _render_resource_details(selected_file: Resource):
    """Renders the details of the selected resource."""
    file: FileObject | FileSet
    for key, file in enumerate(st.session_state[Metadata].distribution):
        if file.name == selected_file.name:

            if isinstance(file, FileObject):
                _render_file_object(key, file)
            else:
                _render_file_set(key, file)

            def delete_line():
                st.session_state[Metadata].remove_distribution(key)

            _, col = st.columns([5, 1])
            col.button("Remove", key=f"{key}_url", on_click=delete_line, type="primary")


def _render_file_object(prefix: int, file: FileObject):
    key = f"{prefix}_name"
    st.text_input(
        needed_field("Name"),
        value=file.name,
        key=key,
        on_change=handle_resource_change,
        args=(ResourceEvent.NAME, file, key),
    )
    key = f"{prefix}_description"
    st.text_area(
        "Description",
        value=file.description,
        placeholder="Provide a clear description of the file.",
        key=key,
        on_change=handle_resource_change,
        args=(ResourceEvent.DESCRIPTION, file, key),
    )
    key = f"{prefix}_sha256"
    st.text_input(
        needed_field("SHA256"),
        value=file.sha256,
        disabled=True,
        key=key,
        on_change=handle_resource_change,
        args=(ResourceEvent.SHA256, file, key),
    )
    key = f"{prefix}_encoding"
    st.text_input(
        needed_field("Encoding format"),
        value=file.encoding_format,
        disabled=True,
        key=key,
        on_change=handle_resource_change,
        args=(ResourceEvent.ENCODING_FORMAT, file, key),
    )
    st.markdown("First rows of data:")
    if file.df is not None:
        st.dataframe(file.df, height=DF_HEIGHT)
    else:
        st.text("No rendering possible.")


def _render_file_set(prefix: int, file: FileSet):
    key = f"{prefix}_name"
    st.text_input(
        needed_field("Name"),
        value=file.name,
        key=key,
        on_change=handle_resource_change,
        args=(ResourceEvent.NAME, file, key),
    )
    key = f"{prefix}_description"
    st.text_area(
        "Description",
        value=file.description,
        placeholder="Provide a clear description of the file.",
        key=key,
        on_change=handle_resource_change,
        args=(ResourceEvent.DESCRIPTION, file, key),
    )
    key = f"{prefix}_encoding"
    st.text_input(
        needed_field("Encoding format"),
        value=file.encoding_format,
        disabled=True,
        key=key,
        on_change=handle_resource_change,
        args=(ResourceEvent.ENCODING_FORMAT, file, key),
    )