Add :Rschema navigation command

Author: Travis Jeffery

autoload/rails.vim

@@ -2132,6 +2132,7 @@ function! s:BufFinderCommands()
   call s:addfilecmds("controller")
   call s:addfilecmds("mailer")
   call s:addfilecmds("migration")
+  call s:addfilecmds("schema")
   call s:addfilecmds("observer")
   call s:addfilecmds("helper")
   call s:addfilecmds("layout")
@@ -2287,6 +2288,14 @@ function! s:migrationList(A,L,P)
   endif
 endfunction
 
+function! s:schemaList(A,L,P)
+  let tables = s:readfile(rails#app().path('db/schema.rb'))
+  let table_re = '^\s\+create_table\s["'':]\zs[^"'',]*\ze'
+  call map(tables,'matchstr(v:val, table_re)')
+  call filter(tables,'strlen(v:val)')
+  return s:autocamelize(tables, a:A)
+endfunction
+
 function! s:unittestList(A,L,P)
   let found = []
   if rails#app().has('test')
@@ -2516,6 +2525,15 @@ function! s:migrationEdit(cmd,...)
   endif
 endfunction
 
+function! s:schemaEdit(cmd,...)
+  let cmd = s:findcmdfor(a:cmd)
+  let schema = 'db/'.s:environment().'_structure.sql'
+  if rails#app().has_file('db/schema.rb') || !rails#app().has_file(schema)
+    let schema = 'db/schema.rb'
+  endif
+  call s:findedit(cmd,schema.(a:0 ? '#'.a:1 : ''))
+endfunction
+
 function! s:fixturesEdit(cmd,...)
   if a:0
     let c = rails#underscore(a:1)

doc/rails.txt

@@ -271,6 +271,7 @@ itself!).
 :Rmodel						|rails-:Rmodel|
 :Robserver					|rails-:Robserver|
 :Rplugin					|rails-:Rplugin|
+:Rschema					|rails-:Rschema|
 :Rspec						|rails-:Rspec|
 :Rstylesheet					|rails-:Rstylesheet|
 :Rtask						|rails-:Rtask|
@@ -378,6 +379,10 @@ itself!).
 			command is only defined if there is a spec folder in
 			the root of the application.
 
+						*rails-:Rschema*
+:Rschema [{table}]	Edit the schema and optionally jump to the specified
+			table.
+
 						*rails-:Rstylesheet*
 :Rstylesheet [{name}]	Edit the stylesheet for the specified name or current
 			controller.  Also supports Sass and SCSS.