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/AccountingServer.Shell/AccountingShell.cs

/* Copyright (C) 2020-2025 b1f6c1c4
 *
 * This file is part of ProfessionalAccounting.
 *
 * ProfessionalAccounting is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, version 3.
 *
 * ProfessionalAccounting is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with ProfessionalAccounting.  If not, see
 * <https://www.gnu.org/licenses/>.
 */

using System;
using System.Collections.Generic;
using System.Linq;
using System.Security;
using AccountingServer.BLL;
using AccountingServer.BLL.Util;
using AccountingServer.Entities;
using AccountingServer.Entities.Util;
using AccountingServer.Shell.Subtotal;
using AccountingServer.Shell.Util;
using static AccountingServer.BLL.Parsing.FacadeF;
using static AccountingServer.BLL.Parsing.Synthesizer;

namespace AccountingServer.Shell;

/// <summary>
///     基本表达式解释器
/// </summary>
internal class AccountingShell : IShellComponent
{
    /// <inheritdoc />
    public IAsyncEnumerable<string> Execute(string expr, Context ctx, string term)
        => Parse(expr, ctx.Client)(ctx);

    /// <inheritdoc />
    public bool IsExecutable(string expr) => true;

    /// <summary>
    ///     解析表达式
    /// </summary>
    /// <param name="expr">表达式</param>
    /// <param name="client">客户端</param>
    /// <returns>解析结果</returns>
    private Func<Context, IAsyncEnumerable<string>> Parse(string expr, Client client)
    {
        var type = ExprType.None;
        ISubtotalStringify visitor;

        var explain = ParsingF.Token(ref expr, false, static t => t == "explain") != null;

        if (ParsingF.Token(ref expr, false, static t => t == "unsafe") != null)
            type |= ExprType.Unsafe;

        if (ParsingF.Token(ref expr, false, static t => t == "json") != null)
        {
            type |= ExprType.GroupedQueries;
            visitor = new JsonSubtotal();
        }
        else if (ParsingF.Token(ref expr, false, static t => t == "Rps") != null)
        {
            type |= ExprType.GroupedQueries;
            visitor = new PreciseSubtotalPre();
        }
        else if (ParsingF.Token(ref expr, false, static t => t == "rps") != null)
        {
            type |= ExprType.GroupedQueries;
            visitor = new PreciseSubtotalPre(false);
        }
        else if (ParsingF.Token(ref expr, false, static t => t == "raw") != null)
        {
            type |= ExprType.GroupedQueries | ExprType.DetailQuery;
            visitor = new RawSubtotal(0);
        }
        else if (ParsingF.Token(ref expr, false, static t => t == "sraw") != null)
        {
            type |= ExprType.GroupedQueries | ExprType.DetailRQuery;
            visitor = new RawSubtotal(0);
        }
        else if (ParsingF.Token(ref expr, false, static t => t == "fancy") != null)
        {
            type |= ExprType.FancyQuery;
            visitor = null;
        }
        else if (ParsingF.Token(ref expr, false, static t => t.StartsWith("raw", StringComparison.OrdinalIgnoreCase)) is var t && t != null)
        {
            type |= ExprType.GroupedQueries;
            visitor = new RawSubtotal(int.Parse(t[4..]))
                {
                    Ratio = t[3] switch
                        {
                            '+' => +1.0,
                            '-' => -1.0,
                            _ => throw new ApplicationException("Unknown raw ratio specifier."),
                        },
                    Inject = ParsingF.Quoted(ref expr, '@'),
                };
        }
        else
        {
            type |= ExprType.GroupedQueries | ExprType.VoucherQuery;
            visitor = new RichSubtotalPre(ParsingF.Token(ref expr, false, static t => t == "force") != null);
        }

        (visitor as IClientDependable).Assign(client);

        if (type.HasFlag(ExprType.GroupedQuery))
            try
            {
                return TryGroupedQuery(expr, visitor, client, explain);
            }
            catch (Exception)
            {
                // ignored
            }

        if (type.HasFlag(ExprType.VoucherGroupedQuery))
            try
            {
                return TryVoucherGroupedQuery(expr, visitor, client, explain);
            }
            catch (Exception)
            {
                // ignored
            }

        return (type & ExprType.NonGroupedQueries) switch
            {
                ExprType.VoucherQuery => TryVoucherQuery(expr, !type.HasFlag(ExprType.Unsafe), client, explain),
                ExprType.DetailQuery => TryDetailQuery(expr, !type.HasFlag(ExprType.Unsafe), client, explain),
                ExprType.DetailRQuery => TryDetailRQuery(expr, !type.HasFlag(ExprType.Unsafe), client, explain),
                ExprType.FancyQuery => TryFancyQuery(expr, !type.HasFlag(ExprType.Unsafe), client, explain),
                _ => throw new InvalidOperationException("表达式无效"),
            };
    }

    private async IAsyncEnumerable<string> Present(params string[] ss)
    {
        foreach (var s in ss)
            yield return $"{s}\n";
    }

    /// <summary>
    ///     按记账凭证检索式解析
    /// </summary>
    /// <param name="expr">表达式</param>
    /// <param name="safe">仅限强检索式</param>
    /// <param name="client">客户端</param>
    /// <returns>执行结果</returns>
    private Func<Context, IAsyncEnumerable<string>> TryVoucherQuery(string expr, bool safe, Client client, bool explain)
    {
        var res = ParsingF.VoucherQuery(ref expr, client);
        ParsingF.Eof(expr);
        if (res.IsDangerous() && safe && !explain)
            throw new SecurityException("检测到弱检索式");

        return ctx => explain
            ? Present("IQueryCompounded<IVoucherQueryAtom>", Synth(res), Synth(ctx.Identity.Refine(res, true)))
            : PresentVoucherQuery(ctx.Identity.Refine(res), ctx);
    }

    /// <summary>
    ///     按分类汇总检索式解析
    /// </summary>
    /// <param name="expr">表达式</param>
    /// <param name="trav">呈现器</param>
    /// <param name="client">客户端</param>
    /// <returns>执行结果</returns>
    private Func<Context, IAsyncEnumerable<string>> TryGroupedQuery(string expr, ISubtotalStringify trav, Client client,
            bool explain)
    {
        var res = ParsingF.GroupedQuery(ref expr, client);
        ParsingF.Eof(expr);
        return ctx => explain
            ? Present("IGroupedQuery", Synth(res), Synth(ctx.Identity.Refine(res, true)))
            : PresentSubtotal(ctx.Identity.Refine(res), trav, ctx);
    }

    /// <summary>
    ///     按记账凭证分类汇总检索式解析
    /// </summary>
    /// <param name="expr">表达式</param>
    /// <param name="trav">呈现器</param>
    /// <param name="client">客户端</param>
    /// <returns>执行结果</returns>
    private Func<Context, IAsyncEnumerable<string>> TryVoucherGroupedQuery(string expr, ISubtotalStringify trav,
        Client client, bool explain)
    {
        var res = ParsingF.VoucherGroupedQuery(ref expr, client);
        ParsingF.Eof(expr);
        return ctx => explain
            ? Present("IVoucherGroupedQuery", Synth(res), Synth(ctx.Identity.Refine(res, true)))
            : PresentSubtotal(ctx.Identity.Refine(res), trav, ctx);
    }

    /// <summary>
    ///     执行记账凭证检索式并呈现记账凭证
    /// </summary>
    /// <param name="query">记账凭证检索式</param>
    /// <param name="ctx">客户端上下文</param>
    /// <returns>记账凭证表达式</returns>
    private IAsyncEnumerable<string> PresentVoucherQuery(IQueryCompounded<IVoucherQueryAtom> query, Context ctx)
        => ctx.Serializer.PresentVouchers(ctx.Accountant.SelectVouchersAsync(query)
                .Select(ctx.Identity.RedactDetails));

    /// <summary>
    ///     按细目检索式解析
    /// </summary>
    /// <param name="expr">表达式</param>
    /// <param name="safe">仅限强检索式</param>
    /// <param name="client">客户端</param>
    /// <returns>执行结果</returns>
    private Func<Context, IAsyncEnumerable<string>> TryDetailQuery(string expr, bool safe, Client client, bool explain)
    {
        var res = ParsingF.DetailQuery(ref expr, client);
        ParsingF.Eof(expr);
        if (res.IsDangerous() && safe && !explain)
            throw new SecurityException("检测到弱检索式");

        return ctx => explain
            ? Present("IVoucherDetailQuery", Synth(res), Synth(ctx.Identity.Refine(res, true)))
            : PresentDetailQuery(ctx.Identity.Refine(res), ctx);
    }

    /// <summary>
    ///     执行细目检索式并呈现结果
    /// </summary>
    /// <param name="query">细目检索式</param>
    /// <param name="ctx">客户端上下文</param>
    /// <returns>执行结果</returns>
    private IAsyncEnumerable<string> PresentDetailQuery(IVoucherDetailQuery query, Context ctx)
        => ctx.Serializer.PresentVoucherDetails(ctx.Accountant.SelectVoucherDetailsAsync(query));

    /// <summary>
    ///     按带记账凭证的细目检索式解析
    /// </summary>
    /// <param name="expr">表达式</param>
    /// <param name="safe">仅限强检索式</param>
    /// <param name="client">客户端</param>
    /// <returns>执行结果</returns>
    private Func<Context, IAsyncEnumerable<string>> TryDetailRQuery(string expr, bool safe, Client client, bool explain)
    {
        var res = ParsingF.DetailQuery(ref expr, client);
        ParsingF.Eof(expr);
        if (res.IsDangerous() && safe && !explain)
            throw new SecurityException("检测到弱检索式");

        return ctx => explain
            ? Present("IVoucherDetailQuery", Synth(res), Synth(ctx.Identity.Refine(res, true)))
            : PresentDetailRQuery(ctx.Identity.Refine(res), ctx);
    }

    /// <summary>
    ///     执行带记账凭证的细目检索式并呈现结果
    /// </summary>
    /// <param name="query">细目检索式</param>
    /// <param name="ctx">客户端上下文</param>
    /// <returns>执行结果</returns>
    private IAsyncEnumerable<string> PresentDetailRQuery(IVoucherDetailQuery query, Context ctx)
        => ctx.Serializer.PresentVoucherDetails(
            ctx.Accountant.SelectVouchersAsync(query?.VoucherQuery).SelectMany(
                v => v.Details.Where(d => d.IsMatch(query?.ActualDetailFilter()))
                    .Select(d => new VoucherDetailR(v, d)).ToAsyncEnumerable()));

    /// <summary>
    ///     按记账凭证检索式解析，但仅保留部分细目
    /// </summary>
    /// <param name="expr">表达式</param>
    /// <param name="safe">仅限强检索式</param>
    /// <param name="client">客户端</param>
    /// <returns>执行结果</returns>
    private Func<Context, IAsyncEnumerable<string>> TryFancyQuery(string expr, bool safe, Client client, bool explain)
    {
        var res = ParsingF.DetailQuery(ref expr, client);
        ParsingF.Eof(expr);
        if (res.IsDangerous() && safe && !explain)
            throw new SecurityException("检测到弱检索式");

        return ctx => explain
            ? Present("IVoucherDetailQuery", Synth(res), Synth(ctx.Identity.Refine(res, true)))
            : PresentFancyQuery(ctx.Identity.Refine(res), ctx);
    }

    /// <summary>
    ///     执行记账凭证检索式，保留部分细目并呈现结果
    /// </summary>
    /// <param name="query">带记账凭证的细目检索式</param>
    /// <param name="ctx">客户端上下文</param>
    /// <returns>执行结果</returns>
    private IAsyncEnumerable<string> PresentFancyQuery(IVoucherDetailQuery query, Context ctx)
        => ctx.Serializer.PresentVouchers(
            ctx.Accountant.SelectVouchersAsync(query?.VoucherQuery).Select(v =>
                {
                    v.Details.RemoveAll(d => !d.IsMatch(query?.ActualDetailFilter()));
                    return v;
                }));

    /// <summary>
    ///     执行记账凭证分类汇总检索式并呈现结果
    /// </summary>
    /// <param name="query">记账凭证分类汇总检索式</param>
    /// <param name="trav">呈现器</param>
    /// <param name="ctx">客户端上下文</param>
    /// <returns>执行结果</returns>
    private async IAsyncEnumerable<string> PresentSubtotal(IVoucherGroupedQuery query, ISubtotalStringify trav,
        Context ctx)
    {
        var result = await ctx.Accountant.SelectVouchersGroupedAsync(query);
        await foreach (var s in trav.PresentSubtotal(result, query.Subtotal, ctx.Serializer))
            yield return s;
    }

    /// <summary>
    ///     执行分类汇总检索式并呈现结果
    /// </summary>
    /// <param name="query">分类汇总检索式</param>
    /// <param name="trav">呈现器</param>
    /// <param name="ctx">客户端上下文</param>
    /// <returns>执行结果</returns>
    private async IAsyncEnumerable<string> PresentSubtotal(IGroupedQuery query, ISubtotalStringify trav,
        Context ctx)
    {
        var result = await ctx.Accountant.SelectVoucherDetailsGroupedAsync(query);
        await foreach (var s in trav.PresentSubtotal(result, query.Subtotal, ctx.Serializer))
            yield return s;
    }

    [Flags]
    private enum ExprType
    {
        None = 0b00000000,
        GroupedQueries = 0b00000011,
        GroupedQuery = 0b00000001,
        VoucherGroupedQuery = 0b00000010,
        NonGroupedQueries = 0b00111100,
        DetailQuery = 0b00000100,
        DetailRQuery = 0b00001000,
        VoucherQuery = 0b00010000,
        FancyQuery = 0b00100000,
        Unsafe = 0b10000000,
    }
}

1	/* Copyright (C) 2020-2025 b1f6c1c4
2	*
3	* This file is part of ProfessionalAccounting.
4	*
5	* ProfessionalAccounting is free software: you can redistribute it and/or
6	* modify it under the terms of the GNU Affero General Public License as
7	* published by the Free Software Foundation, version 3.
8	*
9	* ProfessionalAccounting is distributed in the hope that it will be useful, but
10	* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
12	* for more details.
13	*
14	* You should have received a copy of the GNU Affero General Public License
15	* along with ProfessionalAccounting. If not, see
16	* <https://www.gnu.org/licenses/>.
17	*/
18
19	using System;
20	using System.Collections.Generic;
21	using System.Linq;
22	using System.Security;
23	using AccountingServer.BLL;
24	using AccountingServer.BLL.Util;
25	using AccountingServer.Entities;
26	using AccountingServer.Entities.Util;
27	using AccountingServer.Shell.Subtotal;
28	using AccountingServer.Shell.Util;
29	using static AccountingServer.BLL.Parsing.FacadeF;
30	using static AccountingServer.BLL.Parsing.Synthesizer;
31
32	namespace AccountingServer.Shell;
33
34	/// <summary>
35	/// 基本表达式解释器
36	/// </summary>
37	internal class AccountingShell : IShellComponent
38	{
39	/// <inheritdoc />
40	public IAsyncEnumerable<string> Execute(string expr, Context ctx, string term)
41	=> Parse(expr, ctx.Client)(ctx);	4✔
42
43	/// <inheritdoc />
44	public bool IsExecutable(string expr) => true;	4✔
45
46	/// <summary>
47	/// 解析表达式
48	/// </summary>
49	/// <param name="expr">表达式</param>
50	/// <param name="client">客户端</param>
51	/// <returns>解析结果</returns>
52	private Func<Context, IAsyncEnumerable<string>> Parse(string expr, Client client)
53	{	4✔
54	var type = ExprType.None;	4✔
55	ISubtotalStringify visitor;
56
57	var explain = ParsingF.Token(ref expr, false, static t => t == "explain") != null;	4✔
58
59	if (ParsingF.Token(ref expr, false, static t => t == "unsafe") != null)	4✔
60	type \|= ExprType.Unsafe;	2✔
61
62	if (ParsingF.Token(ref expr, false, static t => t == "json") != null)	4✔
63	{	×
64	type \|= ExprType.GroupedQueries;	×
65	visitor = new JsonSubtotal();	×
66	}	×
67	else if (ParsingF.Token(ref expr, false, static t => t == "Rps") != null)	4✔
68	{	×
69	type \|= ExprType.GroupedQueries;	×
70	visitor = new PreciseSubtotalPre();	×
71	}	×
72	else if (ParsingF.Token(ref expr, false, static t => t == "rps") != null)	4✔
73	{	×
74	type \|= ExprType.GroupedQueries;	×
75	visitor = new PreciseSubtotalPre(false);	×
76	}	×
77	else if (ParsingF.Token(ref expr, false, static t => t == "raw") != null)	4✔
78	{	×
79	type \|= ExprType.GroupedQueries \| ExprType.DetailQuery;	×
80	visitor = new RawSubtotal(0);	×
81	}	×
82	else if (ParsingF.Token(ref expr, false, static t => t == "sraw") != null)	4✔
83	{	1✔
84	type \|= ExprType.GroupedQueries \| ExprType.DetailRQuery;	1✔
85	visitor = new RawSubtotal(0);	1✔
86	}	1✔
87	else if (ParsingF.Token(ref expr, false, static t => t == "fancy") != null)	3✔
88	{	1✔
89	type \|= ExprType.FancyQuery;	1✔
90	visitor = null;	1✔
91	}	1✔
92	else if (ParsingF.Token(ref expr, false, static t => t.StartsWith("raw", StringComparison.OrdinalIgnoreCase)) is var t && t != null)	2✔
93	{	×
94	type \|= ExprType.GroupedQueries;	×
95	visitor = new RawSubtotal(int.Parse(t[4..]))	×
96	{
97	Ratio = t[3] switch	×
98	{
99	'+' => +1.0,	×
100	'-' => -1.0,	×
101	_ => throw new ApplicationException("Unknown raw ratio specifier."),	×
102	},
103	Inject = ParsingF.Quoted(ref expr, '@'),
104	};
105	}	×
106	else
107	{	2✔
108	type \|= ExprType.GroupedQueries \| ExprType.VoucherQuery;	2✔
109	visitor = new RichSubtotalPre(ParsingF.Token(ref expr, false, static t => t == "force") != null);	2✔
110	}	2✔
111
112	(visitor as IClientDependable).Assign(client);	4✔
113
114	if (type.HasFlag(ExprType.GroupedQuery))	4✔
115	try
116	{	3✔
117	return TryGroupedQuery(expr, visitor, client, explain);	3✔
118	}
119	catch (Exception)	3✔
120	{	3✔
121	// ignored
122	}	3✔
123
124	if (type.HasFlag(ExprType.VoucherGroupedQuery))	4✔
125	try
126	{	3✔
127	return TryVoucherGroupedQuery(expr, visitor, client, explain);	3✔
128	}
129	catch (Exception)	3✔
130	{	3✔
131	// ignored
132	}	3✔
133
134	return (type & ExprType.NonGroupedQueries) switch	×
135	{
136	ExprType.VoucherQuery => TryVoucherQuery(expr, !type.HasFlag(ExprType.Unsafe), client, explain),	2✔
137	ExprType.DetailQuery => TryDetailQuery(expr, !type.HasFlag(ExprType.Unsafe), client, explain),	×
138	ExprType.DetailRQuery => TryDetailRQuery(expr, !type.HasFlag(ExprType.Unsafe), client, explain),	1✔
139	ExprType.FancyQuery => TryFancyQuery(expr, !type.HasFlag(ExprType.Unsafe), client, explain),	1✔
140	_ => throw new InvalidOperationException("表达式无效"),	×
141	};
142	}	3✔
143
144	private async IAsyncEnumerable<string> Present(params string[] ss)
145	{	×
146	foreach (var s in ss)	×
147	yield return $"{s}\n";	×
148	}	×
149
150	/// <summary>
151	/// 按记账凭证检索式解析
152	/// </summary>
153	/// <param name="expr">表达式</param>
154	/// <param name="safe">仅限强检索式</param>
155	/// <param name="client">客户端</param>
156	/// <returns>执行结果</returns>
157	private Func<Context, IAsyncEnumerable<string>> TryVoucherQuery(string expr, bool safe, Client client, bool explain)
158	{	2✔
159	var res = ParsingF.VoucherQuery(ref expr, client);	2✔
160	ParsingF.Eof(expr);	2✔
161	if (res.IsDangerous() && safe && !explain)	1✔
162	throw new SecurityException("检测到弱检索式");	×
163
164	return ctx => explain	1✔
165	? Present("IQueryCompounded<IVoucherQueryAtom>", Synth(res), Synth(ctx.Identity.Refine(res, true)))
166	: PresentVoucherQuery(ctx.Identity.Refine(res), ctx);
167	}	1✔
168
169	/// <summary>
170	/// 按分类汇总检索式解析
171	/// </summary>
172	/// <param name="expr">表达式</param>
173	/// <param name="trav">呈现器</param>
174	/// <param name="client">客户端</param>
175	/// <returns>执行结果</returns>
176	private Func<Context, IAsyncEnumerable<string>> TryGroupedQuery(string expr, ISubtotalStringify trav, Client client,
177	bool explain)
178	{	3✔
179	var res = ParsingF.GroupedQuery(ref expr, client);	3✔
180	ParsingF.Eof(expr);	×
181	return ctx => explain	×
182	? Present("IGroupedQuery", Synth(res), Synth(ctx.Identity.Refine(res, true)))
183	: PresentSubtotal(ctx.Identity.Refine(res), trav, ctx);
184	}	×
185
186	/// <summary>
187	/// 按记账凭证分类汇总检索式解析
188	/// </summary>
189	/// <param name="expr">表达式</param>
190	/// <param name="trav">呈现器</param>
191	/// <param name="client">客户端</param>
192	/// <returns>执行结果</returns>
193	private Func<Context, IAsyncEnumerable<string>> TryVoucherGroupedQuery(string expr, ISubtotalStringify trav,
194	Client client, bool explain)
195	{	3✔
196	var res = ParsingF.VoucherGroupedQuery(ref expr, client);	3✔
197	ParsingF.Eof(expr);	×
198	return ctx => explain	×
199	? Present("IVoucherGroupedQuery", Synth(res), Synth(ctx.Identity.Refine(res, true)))
200	: PresentSubtotal(ctx.Identity.Refine(res), trav, ctx);
201	}	×
202
203	/// <summary>
204	/// 执行记账凭证检索式并呈现记账凭证
205	/// </summary>
206	/// <param name="query">记账凭证检索式</param>
207	/// <param name="ctx">客户端上下文</param>
208	/// <returns>记账凭证表达式</returns>
209	private IAsyncEnumerable<string> PresentVoucherQuery(IQueryCompounded<IVoucherQueryAtom> query, Context ctx)
210	=> ctx.Serializer.PresentVouchers(ctx.Accountant.SelectVouchersAsync(query)	1✔
211	.Select(ctx.Identity.RedactDetails));
212
213	/// <summary>
214	/// 按细目检索式解析
215	/// </summary>
216	/// <param name="expr">表达式</param>
217	/// <param name="safe">仅限强检索式</param>
218	/// <param name="client">客户端</param>
219	/// <returns>执行结果</returns>
220	private Func<Context, IAsyncEnumerable<string>> TryDetailQuery(string expr, bool safe, Client client, bool explain)
221	{	×
222	var res = ParsingF.DetailQuery(ref expr, client);	×
223	ParsingF.Eof(expr);	×
224	if (res.IsDangerous() && safe && !explain)	×
225	throw new SecurityException("检测到弱检索式");	×
226
227	return ctx => explain	×
228	? Present("IVoucherDetailQuery", Synth(res), Synth(ctx.Identity.Refine(res, true)))
229	: PresentDetailQuery(ctx.Identity.Refine(res), ctx);
230	}	×
231
232	/// <summary>
233	/// 执行细目检索式并呈现结果
234	/// </summary>
235	/// <param name="query">细目检索式</param>
236	/// <param name="ctx">客户端上下文</param>
237	/// <returns>执行结果</returns>
238	private IAsyncEnumerable<string> PresentDetailQuery(IVoucherDetailQuery query, Context ctx)
239	=> ctx.Serializer.PresentVoucherDetails(ctx.Accountant.SelectVoucherDetailsAsync(query));	×
240
241	/// <summary>
242	/// 按带记账凭证的细目检索式解析
243	/// </summary>
244	/// <param name="expr">表达式</param>
245	/// <param name="safe">仅限强检索式</param>
246	/// <param name="client">客户端</param>
247	/// <returns>执行结果</returns>
248	private Func<Context, IAsyncEnumerable<string>> TryDetailRQuery(string expr, bool safe, Client client, bool explain)
249	{	1✔
250	var res = ParsingF.DetailQuery(ref expr, client);	1✔
251	ParsingF.Eof(expr);	1✔
252	if (res.IsDangerous() && safe && !explain)	1✔
253	throw new SecurityException("检测到弱检索式");	×
254
255	return ctx => explain	1✔
256	? Present("IVoucherDetailQuery", Synth(res), Synth(ctx.Identity.Refine(res, true)))
257	: PresentDetailRQuery(ctx.Identity.Refine(res), ctx);
258	}	1✔
259
260	/// <summary>
261	/// 执行带记账凭证的细目检索式并呈现结果
262	/// </summary>
263	/// <param name="query">细目检索式</param>
264	/// <param name="ctx">客户端上下文</param>
265	/// <returns>执行结果</returns>
266	private IAsyncEnumerable<string> PresentDetailRQuery(IVoucherDetailQuery query, Context ctx)
267	=> ctx.Serializer.PresentVoucherDetails(	1✔
268	ctx.Accountant.SelectVouchersAsync(query?.VoucherQuery).SelectMany(
269	v => v.Details.Where(d => d.IsMatch(query?.ActualDetailFilter()))	4✔
270	.Select(d => new VoucherDetailR(v, d)).ToAsyncEnumerable()));	2✔
271
272	/// <summary>
273	/// 按记账凭证检索式解析，但仅保留部分细目
274	/// </summary>
275	/// <param name="expr">表达式</param>
276	/// <param name="safe">仅限强检索式</param>
277	/// <param name="client">客户端</param>
278	/// <returns>执行结果</returns>
279	private Func<Context, IAsyncEnumerable<string>> TryFancyQuery(string expr, bool safe, Client client, bool explain)
280	{	1✔
281	var res = ParsingF.DetailQuery(ref expr, client);	1✔
282	ParsingF.Eof(expr);	1✔
283	if (res.IsDangerous() && safe && !explain)	1✔
284	throw new SecurityException("检测到弱检索式");	×
285
286	return ctx => explain	1✔
287	? Present("IVoucherDetailQuery", Synth(res), Synth(ctx.Identity.Refine(res, true)))
288	: PresentFancyQuery(ctx.Identity.Refine(res), ctx);
289	}	1✔
290
291	/// <summary>
292	/// 执行记账凭证检索式，保留部分细目并呈现结果
293	/// </summary>
294	/// <param name="query">带记账凭证的细目检索式</param>
295	/// <param name="ctx">客户端上下文</param>
296	/// <returns>执行结果</returns>
297	private IAsyncEnumerable<string> PresentFancyQuery(IVoucherDetailQuery query, Context ctx)
298	=> ctx.Serializer.PresentVouchers(	1✔
299	ctx.Accountant.SelectVouchersAsync(query?.VoucherQuery).Select(v =>
300	{	1✔
301	v.Details.RemoveAll(d => !d.IsMatch(query?.ActualDetailFilter()));	4✔
302	return v;	1✔
303	}));	1✔
304
305	/// <summary>
306	/// 执行记账凭证分类汇总检索式并呈现结果
307	/// </summary>
308	/// <param name="query">记账凭证分类汇总检索式</param>
309	/// <param name="trav">呈现器</param>
310	/// <param name="ctx">客户端上下文</param>
311	/// <returns>执行结果</returns>
312	private async IAsyncEnumerable<string> PresentSubtotal(IVoucherGroupedQuery query, ISubtotalStringify trav,
313	Context ctx)
314	{	×
315	var result = await ctx.Accountant.SelectVouchersGroupedAsync(query);	×
316	await foreach (var s in trav.PresentSubtotal(result, query.Subtotal, ctx.Serializer))	×
317	yield return s;	×
318	}	×
319
320	/// <summary>
321	/// 执行分类汇总检索式并呈现结果
322	/// </summary>
323	/// <param name="query">分类汇总检索式</param>
324	/// <param name="trav">呈现器</param>
325	/// <param name="ctx">客户端上下文</param>
326	/// <returns>执行结果</returns>
327	private async IAsyncEnumerable<string> PresentSubtotal(IGroupedQuery query, ISubtotalStringify trav,
328	Context ctx)
329	{	×
330	var result = await ctx.Accountant.SelectVoucherDetailsGroupedAsync(query);	×
331	await foreach (var s in trav.PresentSubtotal(result, query.Subtotal, ctx.Serializer))	×
332	yield return s;	×
333	}	×
334
335	[Flags]
336	private enum ExprType
337	{
338	None = 0b00000000,
339	GroupedQueries = 0b00000011,
340	GroupedQuery = 0b00000001,
341	VoucherGroupedQuery = 0b00000010,
342	NonGroupedQueries = 0b00111100,
343	DetailQuery = 0b00000100,
344	DetailRQuery = 0b00001000,
345	VoucherQuery = 0b00010000,
346	FancyQuery = 0b00100000,
347	Unsafe = 0b10000000,
348	}
349	}

b1f6c1c4 / ProfessionalAccounting / 329

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