Add filters for text-matching on issue summary or details.

src/pit.nim

@@ -4,6 +4,7 @@
 import cliutils, docopt, json, logging, options, os, ospaths, sequtils,
   tables, terminal, times, timeutils, unicode, uuids
 
+from nre import re
 import strutils except capitalize, toUpper, toLower
 import pitpkg/private/libpit
 export libpit
@@ -182,7 +183,7 @@ proc edit(issue: Issue) =
       getCurrentExceptionMsg()
     issue.store()
 
-proc list(ctx: CliContext, filter: Option[IssueFilter], state: Option[IssueState], today, future, verbose: bool) =
+proc list(ctx: CliContext, filter: Option[IssueFilter], state: Option[IssueState], showToday, showFuture, verbose: bool) =
 
   if state.isSome:
     ctx.loadIssues(state.get)
@@ -193,6 +194,12 @@ proc list(ctx: CliContext, filter: Option[IssueFilter], state: Option[IssueState
   ctx.loadAllIssues()
   if filter.isSome: ctx.filterIssues(filter.get)
 
+  let today = showToday and [Current, TodoToday].anyIt(
+    ctx.issues.hasKey(it) and ctx.issues[it].len > 0)
+
+  let future = showFuture and [Pending, Todo].anyIt(
+    ctx.issues.hasKey(it) and ctx.issues[it].len > 0)
+
   let indent = if today and future: "  " else: ""
 
   # Today's items
@@ -246,6 +253,12 @@ Options:
 
   -F, --future              Limit to future issues.
 
+  -m, --match <pattern>     Limit to issues whose summaries match the given
+                            pattern (PCRE regex supported).
+
+  -M, --match-all <pat>     Limit to the issues whose summaries or details
+                            match the given pattern (PCRE regex supported).
+
   -v, --verbose             Show issue details when listing issues.
 
   -q, --quiet               Suppress verbose output.
@@ -380,6 +393,15 @@ Options:
       filter.properties = propertiesOption.get
       filterOption = some(filter)
 
+    # If they supplied text matches, add that to the filter.
+    if args["--match"]:
+      filter.summaryMatch = some(re("(?i)" & $args["--match"]))
+      filterOption = some(filter)
+
+    if args["--match-all"]:
+      filter.fullMatch = some(re("(?i)" & $args["--match-all"]))
+      filterOption = some(filter)
+
     # If no "context" property is given, use the default (if we have one)
     if ctx.defaultContext.isSome and not filter.properties.hasKey("context"):
       stderr.writeLine("Limiting to default context: " & ctx.defaultContext.get)

src/pitpkg/private/libpit.nim

@@ -1,7 +1,8 @@
 import cliutils, docopt, json, logging, options, os, ospaths, sequtils,
   strutils, tables, times, timeutils, uuids
 
-from nre import re, match
+from nre import find, match, re, Regex
+
 type
   Issue* = ref object
     id*: UUID
@@ -19,8 +20,9 @@ type
     Dormant = "dormant"
 
   IssueFilter* = ref object
+    completedRange*: Option[tuple[b, e: DateTime]]
+    fullMatch*, summaryMatch*: Option[Regex]
     properties*: TableRef[string, string]
-    completedRange*: tuple[b, e: DateTime]
 
   PitConfig* = ref object
     tasksDir*: string
@@ -62,22 +64,30 @@ proc setDateTime*(issue: Issue, key: string, dt: DateTime) =
 
 proc initFilter*(): IssueFilter =
   result = IssueFilter(
-    properties: newTable[string,string](),
-    completedRange: (fromUnix(0).local, fromUnix(253400659199).local))
+    completedRange: none(tuple[b, e: DateTime]),
+    fullMatch: none(Regex),
+    summaryMatch: none(Regex),
+    properties: newTable[string, string]())
 
-proc initFilter*(props: TableRef[string, string]): IssueFilter =
+proc propsFilter*(props: TableRef[string, string]): IssueFilter =
   if isNil(props):
     raise newException(ValueError,
       "cannot initialize property filter without properties")
 
-  result = IssueFilter(
-    properties: props,
-    completedRange: (fromUnix(0).local, fromUnix(253400659199).local))
+  result = initFilter()
+  result.properties = props
 
-proc initFilter*(range: tuple[b, e: DateTime]): IssueFilter =
-  result = IssueFilter(
-    properties: newTable[string, string](),
-    completedRange: range)
+proc dateFilter*(range: tuple[b, e: DateTime]): IssueFilter =
+  result = initFilter()
+  result.completedRange = some(range)
+
+proc summaryMatchFilter*(pattern: string): IssueFilter =
+  result = initFilter()
+  result.summaryMatch = some(re("(?i)" & pattern))
+
+proc fullMatchFilter*(pattern: string): IssueFilter =
+  result = initFilter()
+  result.fullMatch = some(re("(?i)" & pattern))
 
 ## Parse and format issues
 proc fromStorageFormat*(id: string, issueTxt: string): Issue =
@@ -190,10 +200,19 @@ proc filter*(issues: seq[Issue], filter: IssueFilter): seq[Issue] =
   for k,v in filter.properties:
     result = result.filterIt(it.hasProp(k) and it[k] == v)
 
-  result = result.filterIt(not it.hasProp("completed") or
-           it.getDateTime("completed").between(
-             filter.completedRange.b,
-             filter.completedRange.e))
+  if filter.completedRange.isSome:
+    let range = filter.completedRange.get
+    result = result.filterIt(
+             not it.hasProp("completed") or
+             it.getDateTime("completed").between(range.b, range.e))
+
+  if filter.summaryMatch.isSome:
+    let p = filter.summaryMatch.get
+    result = result.filterIt(it.summary.find(p).isSome)
+
+  if filter.fullMatch.isSome:
+    let p = filter.fullMatch.get
+    result = result.filterIt( it.summary.find(p).isSome or it.details.find(p).isSome)
 
 ### Configuration utilities
 proc loadConfig*(args: Table[string, Value] = initTable[string, Value]()): PitConfig =